Spec:Item Type: ModuleInput Voltage:12VRemote control power supply mode: built in button battery CR2025*1Battery capacity: 150mAhButton: Four-button multi-directional control, VOL-/ SCAN / VOL+ / MODEModel: HLX-D022BT (with )Function Introduction: For Jerry Program / Supportfunction ( version 5.0) / double decoding MP3, WMA, WAV, FLAC, APE lossless format music / read USB disk / read TF card / radio FM / externalinput LINE IN / infrared remote control / power off memory / power supplyKey Operation Details:1. VOL-button (previous song/volume reduction): In MP3 state, VOL-short press is the previous song, long press is for volume reduction; in FM state, short press to adjust one station number; infunction, short press under the function is the last song of , long press to decrease the volume.2. SCAN button (play/pause): SCAN short press for play/pause in MP3 state; short press for play/pause in FM state, short press for automatic receiver and save station; short press for play underfunction /time out.3. VOL + button (thesong / volume increase): In the MP3 state, VOL + short press for thesong, long press for the volume to increase; short press in the FM state to adjust a station number; under thefunction Short press for thesong of , long press for the volume to decrease.4. MODE button: Switch between USB / TF / FM /input /function.Package List:1 x Decoding Module1 x Remote Control3 x Pin Line