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check if the device can support the A2DP stereo audio transmission. If yes, please turn on the
A2DP stereo mode.
2. What should I do if the Micro SD card cannot work?
(1) Ensure that the Micro SD card is in good condition. Also check that the audio files are the
correct formats - MP3/WMA/WAV/APE/FLAC.
(2) Besides the above case, the problem maybe the compatibility of the Micro SD card.
We recommend you formatting the Micro SD Card to FAT32 file formats.
G. Specification
Dimension
Weight
Bluetooth
Built-In Battery
Power Source Input
Audio
I/O
Operating Temperature
H. Disclaimer
Updates to Firmware and/or hardware components are made regularly. Therefore some of the
instruction, specifications and pictures in this documentation may differ slightly from your particular
situation. All items described in this guide for illustration purposes only and may not apply to particular
90 mm (L) x 90 mm (D) x 45 mm (H)
245g (Approximate)
Specification
Supported Profile
Connection Distance
Lithium 3.7V 2200mAh
(3.7V, 2200mAh; type 18650 x 1pcs)
Playing Time: 3~5 Hours
(at 75 ~ 80 % of volume setting)
Micro USB Port
DC 5V, 1A (Adapter not included)
Output Power
Frequency Responses
Audio In Link
0 to 40℃
7
V4.0+EDR
A2DP, HFP, HSP
In 10 meters (open area)
4W (RMS) x 3 Ohm
140Hz to 20,000Hz
800mV RMS, 47K Ohm
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