Dynamic Technology Group HUB Bluetooth earphones User Manual BE210 IM OP
Dynamic Technology Group Limited Bluetooth earphones BE210 IM OP
Users Manual
Note: The maximum total output current of this battery is 1A. Power cannot be discharged to the
mobile device requiring amperage of more than 1A.
Note: Dierent mobile device manufacturers have dierent requirement for the cable which are used
for charging of mobile device. Dierent mobile devices have dierent charging verication modes and
new product appear from time to time. Accordingly, we do not guarantee that our product can charge
all devices. Some devices require special charging cables or connectors, or we can charge these
products only by using our cables or connectors. For Apple device user, please use your own original
cable for charging your device.
Interpretation of the Power Case Status Indicator
Charging
- The 4 LEDs will light up and ashing one by one when the Power Case is being charged.
- When all 4 LEDs have been light up and no ashing, the Power Case battery is fully charged
Discharging
- The 4 LEDs will be o one by one when it is discharging to other device.
- When all 4 LEDs have been o, the Power Case battery is empty.
Note: It is normal for the Air Twins and device to get warm during charging and discharging, and they
may get even warmer if you use your device to, for example, play video or game while charging.
Specications
Bluetooth version: Bluetooth 5.0
Operating distance: up to 33 feet (10 metres)
Impedance: 16
Earphone Sensitivity: 94 dB/mW
Frequency: 20Hz – 20KHz
Playtime: Up to 2-3 hours
Talk time: Up to 3.5 hours
Maximum playtime with power case: Additional 30 hours music/talk time
Input Voltage: 5V/1A
Output Voltage: 5V/1A
Battery Capacity: 1,500mAh
Charging time: For earphone - 1.5 hour
For Power case – 2 hours via USB cable or 3 hours via Wireless charger
Dimension: 23.5 x 8 x 16.5 mm(for earphone), Dia.84 x 30mm (for Power case)
Weight: 10 grams for pair of earbuds, 105 grams for Power case
Power Case Cover Magnetic Charging Dock
LR
(ECB) Earbud Control
Touch key
Earbud LED Indicator
Interchangeable Ear Tips
The t of earphones can greatly aect sound quality,
make sure you pick the correct tips and install on the earbuds correctly
and follow the step below:
1. Tilt the earbuds slightly forward and insert the ear
tip into your ear
2. Adjust the t by rotating Air Twins backwards until
you feel comfortable and secure t
Personalize your t
Air Twins comes with three dierent sizes of interchangeable ear tips. A pair of ear tips is pre-mounted
to the earphones. Make sure the caps seal your ear completely which leads to a proper sound quality.
We recommend to try all caps and select the most secure one.
Inserting the Earphones
Activate and Charge
Before you can get started using Air Twins, it needs to be activated.
1. Connect the Power Case to a computer or a power source via Micro-USB cable or simply place it on
any wireless charging pad (not included).
2.The LED indicator on the power case will started ashing and Air Twinswill start charging at the other
end. We recommend you fully charge the Air Twins power case before your rst use.
3. The battery is fully charged by
Micro-USB cable - the LED indicator on the power case turns to level 4
Wirless charging pad – the BLUE LED indicator will be ON for 1 minutes ,and then turn O.
Turn On Air Twins and Setup Inter-earbuds connection
***The “L” & “R” Air Twins earbuds were paired with each other by default, user can simply take out both
earbuds from the case and it will trigger the inter-earbuds connection automatically.
Remarks: Air Twins takes 3 seconds to turn on/off from the case, if it fails to trigger the auto-pairing
function, you may turn on the earbuds by touching the ECB for 5 seconds.
Once turn on Air Twins, the LED on “L” earbud will ash in Red/Blue while the LED on “R” earbud will
ash in Blue, user can put on both earbuds and a voice notication “Connected” will be provided from “L”
earbud, afterwards you can pair Air Twins with your digital device.
If user took out both earbuds but failed to trigger the inter-earbuds connection, take a look of the LED
indicator, if both are ashing in red and blue, it means that you are required to reset the inter-earbuds
connections. In this case, simply reset your inter-earbuds connection.
Reset the inter-earbuds connection
1. Make sure both earbuds are power o
2. Press and hold both
ECB for 8 seconds and it will ash in red and blue quickly
3. After few second, the earbuds will establish the connection with each other. The master (Left) earbud
will ash in red and blue (pending for Bluetooth pairing) and the slave (Right) earbud will ash in blue
every 5 seconds. A voice notication “Left channel” & “Right channel” will be triggered on-ear and you
can pair Air Twins with your digital devices after the inter-earbuds connection stage
Connect Air Twins with your digital devices
AirTwins uses Bluetooth to connect with your digital devices. After turn on both earbuds:
1. Select “BE210” and connect via Bluetooth on your digital device
2. The Earbuds will notify you a message of “Connected”
3. AirTwins is now ready to use
Example: iPad / iPhone
Press Settings > General > Bluetooth > Bluetooth ON > BE210 > Pair
Example: Android 6.0 Smartphone
Press Settings > Bluetooth ON > Scan > BE210 > Pair
Ambient Mode On/O
Ambient aound mode lets you hear your surroundings while you are listening to music outdoors.
Simply short touch twice on the right ECB to turn On/O Ambient mode function.
Playing Music
Once you are connected via Bluetooth, simply select the music on your device and Air twins will play
instantly, the following chart indicate how to remote control your music player:
Function Action
Play/Pause a track 1 short touch on Right ECB
Next Track 1 short touch on Left ECB
Previous Track 2 short touch on Left ECB
Making or receiving calls:
Air twins support hand-free call function for mobile devices. While using your mobile, you will have
the option of using your Air twin as the Stereo headset, please make sure it is selected within your
mobiles settings.
Function Action
Accept phone call Single touch ECB
End phone call Double touch ECB
(during phone call)
Reject a call Long touch ECB
Apple Sirl, Google Long touch ECB for 2 seconds
How to Charge your Earbuds
Put your earbuds back to the magnetic holder, the earbuds LED will turn to red and indicate
that it is charging.
How to Charge a Mobile Device
USB output for emergency use to charge up your device when it’s low batery level.
1. Connect your device to the USB output port on the Power Case with the Micro USB cable provided
or use the original cable come with your device.
2. Press the Power Button on the Power Case
3. When your device is fully charged or you want to stop, disconnect the cable.
Power Case Front View
USB Output
Model no. BE210
www.yellacoustic.com
Designed by Ye!! in Hong Kong
Made in China
Troubleshooting
Not turning on after take out the earbuds from the case
• Make sure the Air Twins is fully charged
• Make sure the Air Twins is switched on.
• Place the earbuds back to the case again and take it out again after 3 seconds
No connection between Air Twins and your Bluetooth device.
• Make sure the Air Twins is fully charged
• Make sure the Air Twins is switched on.
• Make sure your Bluetooth device is available and supports Bluetooth Advance Audio
Distribution prole.
• Make sure the Air Twins is within range of your Bluetooth device.
Audio is not coming out from the Bluetooth Earbuds after Bluetooth device successfully paired.
• Make sure the Bluetooth device volume is set to a comfortable listening level.
• Try to reconnect your device with Air Twins
Safety information
Read all information and warnings before using Air Twins. Improper use of this product may lead to the
product being damaged and you (the buyer, not the dealer) will be held responsible for damages such
as overheating, the release of toxic fumes, re or explosion.
• Do not attempt to charge Air Twins by using any other method other than a USB charger, power bank
or computer
• Do not modify or disassemble the battery
• Do not dismantle or modify Air Twins in any way
• Do not use the battery in bathrooms etc. Do not expose Air Twins to moisture or immerse it in liquid.
•Keep Air Twins dry at any time.
• Do not keep Air Twins in an environment that has excessively high temperatures, including
intense sunshine
• Do not throw this product into a re or leave in a hot environment. Avoid dropping or any other
impact or friction to this product
• Do not place Air Twins on ammable materials, such as bedding or carpets during charging
• Do not touch Air Twins with wet hands
• Disconnect the USB connector from Air Twins’s Power Case once fully charged
• Only use this product within the following temperatures: 0° - 40°
• Do not connect input and output in reverse
• Do not charge Air Twins in excess of the rating suggested
• If any issue arises when using Air Twins, disconnect the USB connector from the computer port and
contact your dealer
• In the unlikely event that any liquid from the inside of this product gets into your eyes, do not rub your
eyes. Wash your eyes immediately with clean water and consult a physician
• All Ye!! Acoustic’s products have been tested comprehensively to ensure quality. If you encounter any
unusual heat, discoloration or product distortion during charging or storage, please stop using it
immediately and contact the dealer. These issues may cause leakage, heat, smoke or ignition of Air Twins
•Air Twins is not intended for use by persons (including children) with reduced physical, sensory or
mental capabilities (or lack of experience and knowledge) unless they have been given supervision or
instructions concerning the use of Air Twins by a person responsible for their safety. Children should
be supervised to ensure that they do not play with Air Twins, this is not a toy.
Legal Liability
Air Twins can only be used with compatible products and the Power Case can be used only with matching
electronic equipment. Please read your equipment compatibility instructions to determine whether Air
Twins matches your equipment requirements. The manufacturer will not be liable for any damage to your
electronic equipment during the use of this product. Ye!! Acoustic will not held responsible for any
equipment or accessories not suitable for use with Air Twins. The manufacturer will not be held liable for
damage caused by misuse or damage incurred by the buyer or the third party rising from any intentional
or unintentional use of Air Twins. As mentioned above, the manufacturers shall not be held liable for
damage caused by misuse of the Air Twins.
FCC ID:2AANE-BE210
This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1)
this device may not cause harmful interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
The manufacturer is not responsible for any radio or TV interference caused by unauthorized modications
or change to this equipment. Such modications or change could void the user’s authority to operate the
equipment.
This radio transmitter (identify the device by certication number or model number if Category II) has
been approved by Industry Canada to operate with the antenna types listed below with the maximum
permissible gain indicated. Antenna types not included in this list, having a gain greater than the
maximum gain indicated for that type, are strictly prohibited for use with this device.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant
to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television reception, which can
be determined by turning the equipment o and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit dierent from that to which the receiver
is connected.
• Consult the dealer or an experienced radio/TV technician for help.
The device has been evaluated to meet general RF exposure requirement.
True Wireless Stereo Earbuds with
1,500mAh Power Case
Included In this package
Interchangeable Ear Tips
Micro USB Charging Cable
User Manual
Overview
Battery LED
Indicator
Power Button
Micro-USB
Charging Port Wireless Charging Indicator
Air Twins indication table
1.Wireless Stereo Operation
Step
1-1
1-2
1-3
Status
Turn on & Start pairing (Auto)
Turn on & Start pairing (Manual)
After connected with bluetooth device
Turn O (Auto)
Turn O (Manual)
Control
Take out the earbuds from the charging case
Long touch the ECB for 4-5 seconds
--
Put back the earbuds to the charging case
Long touch the ECB for 5-6 seconds
LED Indication
The Left earbud will ash in blue/Red fastly, and
the right earbud will ash in blue slowly
Flash in blue every 5 seconds
Both earbuds will be in RED light during
charging
Voice notication
Connected, left channel, right channel and
pairing
--
--
1.Mono Earbud Pairing
Step
2-1
2-2
Status
Select either right or left earbud
After connected with bluetooth device
Control
Long touch the ECB for 5 seoncds to turn ON
manually
--
LED Indication
- earbud will ash in blue/Red
Flash in blue every 5 seconds
Voice notication
pairing
Connected
1.General Operation
Step
3-1
3-2
3-3
3-4
3-5
3-6
3-7
3-8
3-9
Status
Accept phone call
End phone call (during phone call)
Reject incoming call
Apple Sirl, Google
Low battery
Charging
Fully charged
Ambient Mode ON
Ambient Mode OFF
Control
Single touch ECB button
Double touch ECB button
Long touch ECB button
Long touch ECB for 2 seconds
--
--
Double touch Right ECB
Double touch Right ECB
LED Indication
Blue light is ashing
--
--
--
Red in ash
Red light On(Earbuds)
Blue light Flash (Charging Case)
Red Light O (Earbuds)
Blue light Always On (Charging Case)
--
--
Voice notication
Ringtone
--
--
Beep sound notication
Low battery every 30 sec.
--
--
- Beep sound notication
- Beep sound notication
Note: The maximum total output current of this battery is 1A. Power cannot be discharged to the
mobile device requiring amperage of more than 1A.
Note: Dierent mobile device manufacturers have dierent requirement for the cable which are used
for charging of mobile device. Dierent mobile devices have dierent charging verication modes and
new product appear from time to time. Accordingly, we do not guarantee that our product can charge
all devices. Some devices require special charging cables or connectors, or we can charge these
products only by using our cables or connectors. For Apple device user, please use your own original
cable for charging your device.
Interpretation of the Power Case Status Indicator
Charging
- The 4 LEDs will light up and ashing one by one when the Power Case is being charged.
- When all 4 LEDs have been light up and no ashing, the Power Case battery is fully charged
Discharging
- The 4 LEDs will be o one by one when it is discharging to other device.
- When all 4 LEDs have been o, the Power Case battery is empty.
Note: It is normal for the Air Twins and device to get warm during charging and discharging, and they
may get even warmer if you use your device to, for example, play video or game while charging.
Specications
Bluetooth version: Bluetooth 5.0
Operating distance: up to 33 feet (10 metres)
Impedance: 16
Earphone Sensitivity: 94 dB/mW
Frequency: 20Hz – 20KHz
Playtime: Up to 2-3 hours
Talk time: Up to 3.5 hours
Maximum playtime with power case: Additional 30 hours music/talk time
Input Voltage: 5V/1A
Output Voltage: 5V/1A
Battery Capacity: 1,500mAh
Charging time: For earphone - 1.5 hour
For Power case – 2 hours via USB cable or 3 hours via Wireless charger
Dimension: 23.5 x 8 x 16.5 mm(for earphone), Dia.84 x 30mm (for Power case)
Weight: 10 grams for pair of earbuds, 105 grams for Power case
Personalize your t
Air Twins comes with three dierent sizes of interchangeable ear tips. A pair of ear tips is pre-mounted
to the earphones. Make sure the caps seal your ear completely which leads to a proper sound quality.
We recommend to try all caps and select the most secure one.
Inserting the Earphones
Activate and Charge
Before you can get started using Air Twins, it needs to be activated.
1. Connect the Power Case to a computer or a power source via Micro-USB cable or simply place it on
any wireless charging pad (not included).
2.The LED indicator on the power case will started ashing and Air Twinswill start charging at the other
end. We recommend you fully charge the Air Twins power case before your rst use.
3. The battery is fully charged by
Micro-USB cable - the LED indicator on the power case turns to level 4
Wirless charging pad – the BLUE LED indicator will be ON for 1 minutes ,and then turn O.
Turn On Air Twins and Setup Inter-earbuds connection
***The “L” & “R” Air Twins earbuds were paired with each other by default, user can simply take out both
earbuds from the case and it will trigger the inter-earbuds connection automatically.
Remarks: Air Twins takes 3 seconds to turn on/off from the case, if it fails to trigger the auto-pairing
function, you may turn on the earbuds by touching the ECB for 5 seconds.
Once turn on Air Twins, the LED on “L” earbud will ash in Red/Blue while the LED on “R” earbud will
ash in Blue, user can put on both earbuds and a voice notication “Connected” will be provided from “L”
earbud, afterwards you can pair Air Twins with your digital device.
If user took out both earbuds but failed to trigger the inter-earbuds connection, take a look of the LED
indicator, if both are ashing in red and blue, it means that you are required to reset the inter-earbuds
connections. In this case, simply reset your inter-earbuds connection.
Reset the inter-earbuds connection
1. Make sure both earbuds are power o
2. Press and hold both
ECB for 8 seconds and it will ash in red and blue quickly
3. After few second, the earbuds will establish the connection with each other. The master (Left) earbud
will ash in red and blue (pending for Bluetooth pairing) and the slave (Right) earbud will ash in blue
every 5 seconds. A voice notication “Left channel” & “Right channel” will be triggered on-ear and you
can pair Air Twins with your digital devices after the inter-earbuds connection stage
Connect Air Twins with your digital devices
AirTwins uses Bluetooth to connect with your digital devices. After turn on both earbuds:
1. Select “BE210” and connect via Bluetooth on your digital device
2. The Earbuds will notify you a message of “Connected”
3. AirTwins is now ready to use
Example: iPad / iPhone
Press Settings > General > Bluetooth > Bluetooth ON > BE210 > Pair
Example: Android 6.0 Smartphone
Press Settings > Bluetooth ON > Scan > BE210 > Pair
Ambient Mode On/O
Ambient aound mode lets you hear your surroundings while you are listening to music outdoors.
Simply short touch twice on the right ECB to turn On/O Ambient mode function.
Playing Music
Once you are connected via Bluetooth, simply select the music on your device and Air twins will play
instantly, the following chart indicate how to remote control your music player:
Function Action
Play/Pause a track 1 short touch on Right ECB
Next Track 1 short touch on Left ECB
Previous Track 2 short touch on Left ECB
Making or receiving calls:
Air twins support hand-free call function for mobile devices. While using your mobile, you will have
the option of using your Air twin as the Stereo headset, please make sure it is selected within your
mobiles settings.
Function Action
Accept phone call Single touch ECB
End phone call Double touch ECB
(during phone call)
Reject a call Long touch ECB
Apple Sirl, Google Long touch ECB for 2 seconds
How to Charge your Earbuds
Put your earbuds back to the magnetic holder, the earbuds LED will turn to red and indicate
that it is charging.
How to Charge a Mobile Device
USB output for emergency use to charge up your device when it’s low batery level.
1. Connect your device to the USB output port on the Power Case with the Micro USB cable provided
or use the original cable come with your device.
2. Press the Power Button on the Power Case
3. When your device is fully charged or you want to stop, disconnect the cable.
Included In this package
Air Twins BE210
Interchangeable Ear Tips
Micro USB Charging Cable
User Manual
Overview
www.yellacoustic.com
Designed by Ye!! in Hong Kong
Made in China
Troubleshooting
Not turning on after take out the earbuds from the case
• Make sure the Air Twins is fully charged
• Make sure the Air Twins is switched on.
• Place the earbuds back to the case again and take it out again after 3 seconds
No connection between Air Twins and your Bluetooth device.
• Make sure the Air Twins is fully charged
• Make sure the Air Twins is switched on.
• Make sure your Bluetooth device is available and supports Bluetooth Advance Audio
Distribution prole.
• Make sure the Air Twins is within range of your Bluetooth device.
Audio is not coming out from the Bluetooth Earbuds after Bluetooth device successfully paired.
• Make sure the Bluetooth device volume is set to a comfortable listening level.
• Try to reconnect your device with Air Twins
Safety information
Read all information and warnings before using Air Twins. Improper use of this product may lead to the
product being damaged and you (the buyer, not the dealer) will be held responsible for damages such
as overheating, the release of toxic fumes, re or explosion.
• Do not attempt to charge Air Twins by using any other method other than a USB charger, power bank
or computer
• Do not modify or disassemble the battery
• Do not dismantle or modify Air Twins in any way
• Do not use the battery in bathrooms etc. Do not expose Air Twins to moisture or immerse it in liquid.
• Keep Air Twins dry at any time.
• Do not keep Air Twins in an environment that has excessively high temperatures, including
intense sunshine
• Do not throw this product into a re or leave in a hot environment. Avoid dropping or any other
impact or friction to this product
• Do not place Air Twins on ammable materials, such as bedding or carpets during charging
• Do not touch Air Twins with wet hands
• Disconnect the USB connector from Air Twins’s Power Case once fully charged
• Only use this product within the following temperatures: 0° - 40°
• Do not connect input and output in reverse
• Do not charge Air Twins in excess of the rating suggested
• If any issue arises when using Air Twins, disconnect the USB connector from the computer port and
contact your dealer
• In the unlikely event that any liquid from the inside of this product gets into your eyes, do not rub your
eyes. Wash your eyes immediately with clean water and consult a physician
• All Ye!! Acoustic’s products have been tested comprehensively to ensure quality. If you encounter any
unusual heat, discoloration or product distortion during charging or storage, please stop using it
immediately and contact the dealer. These issues may cause leakage, heat, smoke or ignition of Air Twins
• Air Twins is not intended for use by persons (including children) with reduced physical, sensory or
mental capabilities (or lack of experience and knowledge) unless they have been given supervision or
instructions concerning the use of Air Twins by a person responsible for their safety. Children should
be supervised to ensure that they do not play with Air Twins, this is not a toy.
Legal Liability
Air Twins can only be used with c ompatible products and the Power Case can be used only with matching
electronic equipment. Please read your equipment compatibility instructions to determine whether Air
Twins matches your equipment requirements. The manufacturer will not be liable for any damage to your
electronic equipment during the use of this product. Ye!! Acoustic will not held responsible for any
equipment or accessories not suitable for use with Air Twins. The manufacturer will not be held liable for
damage caused by misuse or damage incurred by the buyer or the third party rising from any intentional
or unintentional use of Air Twins. As mentioned above, the manufacturers shall not be held liable for
damage caused by misuse of the Air Twins.
FCC Statement
This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions: (1)
this device may not cause harmful interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
The manufacturer is not responsible for any radio or TV interference caused by unauthorized modications
or change to this equipment. Such modications or change could void the user’s authority to operate the
equipment.
This radio transmitter (identify the device by certication number or model number if Category II) has
been approved by Industry Canada to operate with the antenna types listed below with the maximum
permissible gain indicated. Antenna types not included in this list, having a gain greater than the
maximum gain indicated for that type, are strictly prohibited for use with this device.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant
to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television reception, which can
be determined by turning the equipment o and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit dierent from that to which the receiver
is connected.
• Consult the dealer or an experienced radio/TV technician for help.
The device has been evaluated to meet general RF exposure requirement
Caution:
Any changes or modifications to this device not explicitly approved
by manufacturer could void your authority to operate this
equipment..