CHINA ELECTRONICS MD1U Bluetooth Speaker User Manual
China Electronics Shenzhen Company Bluetooth Speaker
User Manual
MD1U Bluetooth Speaker
Art. No.: T-1D
Features and Specifications
Main Device Parameters
Output Power: 12W*2
Frequency Response: 80Hz-16kHz
RMS: 24W(THD=10%)
Driver: 3"*2
Power Supply: DC 5V 2000mA
Distortion: <0.5%
S/N: >65dB
Battery Capacity:7.4V 2200mAh
Battery Play Time: 4—5 hours
Battery Charging Time: 4—5hours
Product Size: L260*W150*H150mm
Product Weight: 2100g
Package Contents
1. Speaker
2. User Manual
3. Adapter DC5V 2A
4. 3.5mm Audio Cable
Charging the Speaker
Before using the speaker for the first time charge it for at least 24 hours.
1. Plug the adapter with the USB cable into the charging socket of the speaker. Plug the
other end of the adapter into a wall outlet. The red LED indicator on the speaker will light up and
your speaker will start charging.
2. The red LED turns on to indicate that the unit is charging.
3. Once fully charged, the red LED turns off.
4. Under “ON”, the red light will be off when charging.
Pairing the Device
1. Place speaker within 30ft of the Bluetooth-enabled device.
2. Slide the ON/OFF button to ON. The blue LED flashes 3 times slowly, then flashes
quickly to indicate Bluetooth pairing mode.
3. Follow the instructions of your device to search for the speaker.
4. The speaker is called "TEWELL T-1D." If a PIN is required, enter "0000."
5. The blue LED flashes when pairing is complete.
Basic instructions
To turn the speaker on, press the ON/OFF button to ON.
The speaker beeps and a blue LED flashes slowly.
The blue LED stays on when playing music.
When the battery is low, the machine indicates ”beep” with intervals every 1 minutes
LED indicator
Charging: Red LED on (the speaker off)
Fully Charged: Red LED off
Pairing Mode: Blue LED flashes quickly
Connected: Blue LED on
Playing: Blue LED on
Safety information
To reduce the risk of electric shock, do not attempt to disassemble the device.
Do not use this product in an aircraft or in a hospital.
Do not expose the device to direct sunlight, heat or flame.
The device may become warm while charging.
Caution
Any changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate this equipment.
This device and its antenna(s) must not be co-located or operated in conjunction with any
other antenna or transmitter.
Speaker button functions
1. Power On/Off
Press the ON/OFF button，the unit ON/OFF.
2. Last song:
Press quickly for last song.
3. Volume up /down:
Rotate the switch and adjust volume
4. Next song:
Press quickly for next track.
5. 3.5mm audio input (line-in)
6. Bluetooth
Press the button，Switch Bluetooth and aux-in input,
Press and hold the button under Bluetooth made to enter to Bluetooth free pairing.
7. LED Red/Blue
8. Play/Pause
When playing music, press the button to pause or play. Press and hold to unpair the
current device.
9. DC IN
DC5V 2A
Made in China
Warning Statement
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.
Caution: Any changes or modifications to this device not explicitly approved by
manufacturer could void your authority to operate this equipment.
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 device has been evaluated to meet general RF exposure requirement. The device
can be used in portable exposure condition without restriction.