XS3868 Bluetooth Stereo Audio Module

Class2 power level
Built-in lithium battery charging circuit
Strong noise eliminating circuit
The effective transmission distance of 20 meters
Very low working voltage VBAT: 3.4-4.2 v 
Minimal surface-mount packaging: 14 x23mm 
The following Bluetooth Bluetooth specification V2.0 + EDR 
Support A2DP V1.2, AVRCP V1.4 profiles Block
The integrated EEPROM, configurable working mode and parameters 
The stereo audio output can direct drive 40 mw @ 32 ? speeker without the need for a condenser 
The integrated power on reset and programmable low voltage monitoring function 
5 control buttons, including switch machine play the pause button, volume, volume reduction, a song, the next song
Can support without button automatic connection
2 LED is used to indicate different working condition