Main function: MP3/USB/TF/LINE IN/FM/BLUETOOTH/remote control Supports calls (long press the pause button to answer the call when there is an incoming call) Supports recording; recording only works in TF or USB mode (long press the MODE button to start recording, long press again to stop and save; exit recording mode by long pressing the pause button) Requires a storage device such as a U disk or TF card for recording Supports power-off memory Can be directly connected to speakers with built-in amplifier and decoding functions Supports o formats: MP3, WMA, WAV, APE, FLAC Specifications: Bluetooth version: 5.0 Power supply voltage: DC 6V–12V Current: 1–3A Power output: 50W true stereo (2 x 25W) Color: Black Material: ABS Size: 92 x 41mm Package contents: 1 x decoder board Note: Light shooting and different displays may cause slight color differences between the image and the actual item. Measurement error allowed is +/- 1–3cm.