Pacoco 8288 Bluetooth In Dash Car Audio Stereo Receivers Head Unit MP3/USB/SD/AUX/FM Input AUX Bluetooth function:can easily auto connect with the car radio directly,USB mode:support 16GB MAX,support SD capacity MAX 16GB,AUX input function Support advanced audio distribution profile,Digital high quality FM stereo radio,Preset 18 station,Hands free calls,built in MIC Support USB/SD/MMC card reader,Support audio:MP3/WMA/WAV,Support remote control,Rotary volume control,More music source choices MP3 randomized,10 track up/down playback,Electronic control volume balance,Multiple EQ scene selection:jazz/rock/pop/classic,etc, L/R RCA audio output jacks,4-channel high power output,Size:18cmX10.5cmX5.3cm,Output:4x30W,USB charging function: support 5V charging