ITEM NAME:Bluetooth Power Amplifier Board PAM8403 Stereo AMP USB 18650 Battery Power 3CABA Features: Bluetooth 4.0 receiving amplifier board, support 18650 battery power supply, support USB charge function. Fits for your wireless speaker DIY Power supply: 5V Sound channel:2 Maximum output power:5W+5W Amp chip: PAM8403 Size:49*29*4.5mm 1pc x Bluetooth  Receiver amplifier Board (Note:Battery is not include).Amp chip: PAM8403. Fits for your wireless speaker DIY. 1pc x Bluetooth Receiver amplifier Board. (Note:Battery is not include).
