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Feature

This is a wireless bluetooth audio receiver board which supports Bluetooth receiving; USB decoding play; TF card decoding play; AUX input connector and Equalizer sound effect
Can be used for DIY speaker box remodeling or change your speaker box and headphone into the high class bluetooth audio equipment which has wireless bluetooth music receiving function
With Micro USB interfaces for 5V power supply; 3.5mm stereo input; 3W+3W right/ left channel output; U disk and TF card interface for audio decoding; ADkey interface for DIY
Compatible with Bluetooth 3.0/4.0/4.1; Support reconnection/ on-boar stereo 3W amplify/ USB audio function, mini gadget provides you the powerful function; Ideal for DIY and electronics remodeling
About the operation: USB interface is for decoding the music with WAV/MP3/APE/FLAC formats; TF card interface is for decording the music with MP3/WAV/APE/FLAC formats, too; ADkey: provide different parameter of resistance to achieve different key function

Description

Parameter:
Power supply range: 3.7-5V
SNR: 90dB
THD+N: -70dB
Crosstalk: -86dB
DNR: 91dB
Support profile: A2DP/AVCTP/AVDTP/AVRCP/HFP
LOS>15m
Size: 46x40mm

Instruction of the interfaces:
Micro USB: 5V power supply
3.7-5V power supplying terminals: achieve external 3.7-5V power supply modified
USB audio: Used as external sound card according to connect the computer with USB data cable
U disk: support playing music with WAV/MP3/APE/FLAC formats, FAT16/32 file formats
LED indicator: BLUE indicator lights on-Bluetooth mode, BLUE indicator flashes-Music mode
TF card: support playing music with WAV/MP3/APE/FLAC formats, FAT16/32 file formats
ADkey: provide different parameter of resistance to achieve different key function
Bluetooth decode IC: decoder main control chip
3.5mm stereo output: standard 3.5mm port, stereo audio output, used with headphone, connecting amplifier device
Right channel 3W: audio right channel output, can drive 3W speaker
Left channel 3W: audio left channel output, can drive 3W speaker
3W*2 amplify: on-board 2-way amplify, stereo drives 3W speaker

Package include:
1xDecoder board
1xRemote control