DC 3.7V To 5V bluetooth 4.1 MP3 WAV Decoder Board 3W Speaker Amplifier Audio Receiver Module Support USB/TF/U-DISK/IR Re

Description Support bluetooth 4 1 mode support automatically back to even support to decode WAV APE FLAC MP3 files losslessly support to output stereo with 3W power amplifier on board support USB audio function support the TF card downloading support U disk TF card playing supprot IR remote function Parameters characteristics Power supply DC 3 7 5VSNR 90dBTHD N 70dBCrosstalk 86dBDNR 91dBSupport profile A2DP AVCTP AVDTP AVRCP HFPLOS15mOperating specification Mode control bluetooth mode is default powered on when there is no U disk or TF card installed on board And music mode is defult powered on when U disk or TF cardis installed on board Switching mode using adkey or IR remote Music mode Playing the audio files stored in the U disk and TF card when plug into U disk and TF card bluetooth mode When switching mode and playing The bluetooth device is ready to pair it goes into bluetooth mode and is ready to pair The device named XY BT Cell phone searched is the decoding board device Connecting the XY BT device with cell phone the decoding board plays The bluetooth device is connected successfuly the decoding board has connected with the cell phone successfully and you can playing music through the bluetooth device Showing in the below picture Interface details Micro USB powerUniversal Micro USB 5V power supplyUSB AudioConnect to a computer via a USB cable to use as an external sound cardU disk interfaceSupports playing MP3 WAV APE F