3Pcs SANWU Bluetooth Audio Receiver Digital Amplifier Board With USB Port TF Card Slot

Specification:

Audio input mode:
1.Bluetooth receiver
2.USB decoding play
3.TF card decoding play

Supporting play format:   MP3  ,  WMA , WAV, FLA C 
Power supply: 5V DC (mobile phone charger can power small USB plug)
Preamp output can directly promote the headset, also can be connected to the use of rear stage power amplifier
Bluetooth version: 2.1

Package Included:

3 x Amplifier Board