BOLTA DEVELOPMENT BTSP20X BT SPEAKER User Manual
BOLTA DEVELOPMENT LIMITED BT SPEAKER
User manual
PLEASE READ BEFORE OPERATING THIS EQUIPMENT
OFF ON
MicroSD
User manual
Model:SP637
1. Read Instructions - All the safety and operating
instruction should be read before the product is operated.
2. Retain Instructions - The safety and operating
instruction should be retained for future reference.
3. Cleaning - Unplug this product from the wall outlet before
cleaning. Do not use liquid cleaners or aerosol cleaners.
Clean only with a dry cloth.
4.Attachments - Do not use attachments not recommended by
the product manufacturer as they may cause hazards.
5. Water and Moisture - Do not use this product near water -
for example, near a bath tub, wash bowl, kitchen sink, or
laundry tub; in a wet basement, or near a swimming pool,
and the like. The apparatus shall not be exposed to dripping
or splashing and that no objects lled with liquids, such as
vases, shall be placed on apparatus.
Important Safety Instructions
6.Ventilation - Slots and openings in the cabinet are provided
for ventilation and to ensure reliable operation of the product
and to protect it from overheating, and these openings must
not be blocked or covered. The openings should never be
blocked by placing the product on a bed, sofa, rug, or other
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similar surface. This product should not
be placed in a built-
in installation such as a bookcase or rack unless proper vent-
ilation is provided or the manufacturer’s instruction have been
adhered to.
7.Power Sources - This product should be operated only from
the type of power source indicated on the marking label. If you
are not sure of the type of power supply to your home, consult
your product dealer or local power company. For products
intended to operate from battery power, or other sources, refer
to the operating instruction.
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.Safety Check - Upon completion of any service or repairs to
this product, ask the service technician to perform safety
checks to determine that the product is in proper operating
condition.
9. Heat - The product should be situated away from heat sources
such as radiators, heat registers, stoves, or other products
(including ampliers) that produce heat. Battery shall not be
exposed to excessive heat such as sunshine, re, or the like.
10.Excessive sound pressure from earphones and
head-phones can cause hearing loss.
Important Safety Instructions
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LOC ATI ON OF C ONT ROLS
Mode
DC 5V/AUX
USB
MicroSD OFF ON Mic
1 2 3 4 5 6
7 8 9 10
4
Status
Indicator
Charging Fully Charged
No lightRed light No light
Power Off
USB Power
Requires a Mini USB to
USB cable (included).
POWER OPERATION
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1. Mode Button: Press Mode button repeatedly to
switch to desired mode.
2. : Long press to reduce volume,short press to change
to previous song or radio station.
3. : MP3/radio/bluetooth mode short press to pause;
radio mode long press for auto channel search; Phone
incoming status short press to answer the phone and
long press to hang up the call.
4. : Long press to add volume, short press to change
to next song or radio station.
5. Mini USB charging/AUX in/Antenna (input the USB cable
for antenna use) jack
6. : 3.5MM earphone jack (earphone cable not include)
7. USB
8. MicroSD card slot
9. On/off switch
10. Mic
DC 5V/AUX
FEATURE
PAIRING BLUETOOTH
THE AUX IN
• Supports Bluetooth v
• Wireless range: 33 feet
• Supports automatic device pairing
• 3.5mm earphone jack
1. Turn on the unit using the on/off switch.
2. Using the native controls on your Bluetooth
device, select the “SP637” in your Bluetooth
settings to pair. The device will connected
automatically.
3. Audio played through the connected Bluetooth
device will now be heard through the speakers.
1. Plug one end of USB/AUX cable into Mini USB Input
on the unit.
2. Plug the other 3.5MM Audio input end into the audio
output/ headphone output on an MP3 Player or other
audio source.
3. Turn on the unit using the on/off switch.
4. Audio played through the connected device will now
be heard through the speakers.
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4.0
TROUBLESHOOTING GUIDE
The unit battery is dead.
Relocate the unit within Bluetooth
operating range (30 feet).
The USB power adaptor
(Not included) is not
plugged into a wall outlet or
the USB cable (included) is
not plugged into the mini
USB jack on the unit
Plug the USB power adaptor (not included)
into a wall outlet and plug the USB cable
(included) into the mini USB jack on the unit
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• Built-in speaker
• Mini-USB port for battery recharge and Aux in
• Built-in 300mAh rechargeable lithium ion battery
• 1.11W Output Power
The unit placement is
out of range.
FCC Caution.
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.
Any Changes or modifications not expressly approved by the party responsible for compliance
could void the user's authority to operate the equipment.
Note: 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 off 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 different 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. The device can be used
in portable exposure condition without restriction.