Support for Bluetooth. Multi-decode MP3, WMA, WAV, APE lossless format music. Support to read USB disk, read memory card, radio FM. Support external audio input LINE IN (AUX). Power supply 12V, support power-off memory. Support infrared remote control. Made of high quality material, this decoder board is rugged. Excellent craftsmanship, perfect size and easy installation. USB: Connect USB flash drive (maximum support 32GB) LED color screen: digital screen display, showing red TF: Connect TF memory card (maximum support 32GB) AUX: audio input interface VOL-: Short press is to select the previous song; long press is to decrease the volumePLAY/PAUSE: Short press is the switch between pause and play; long press is the FM FM automatic station VOL+: Short press is to select song; long press is to increase the volume MODE: Switching of USB/TF/FM/LINE IN/BLUETOOTH Recording function description: 1. Press and hold the MODE button to start recording. Press and hold the MODE button again to cancel the recording function. 2. Press and hold the PLAY/PAUSE button to play the recording file. 3. whenrecording, you need to connect a storage device, such as: U disk or TF card note: Different batches may have different appearance, which does not affect use. Material: plastic colour: Black Package Contents: 1 x Decoder Board 1 x Remote control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.