USB/SD/AUX/AV IN/BLUETOOTH Audio available, Supports DVD/VCD/CD/MP3/MP4/WMA/DIVX/JPEG/WAV/AVI Playback formats, Reach to MOSFET 50Wx4 high quality, 3 high voltage RCA output, 7 inch(115 million pixels) HD digital touch screen, simple and easy to understand operation interface, FM/AM radio inside, available to connect digital TV, 5.1 surround dolby dogotal, available to connect reversing camera, blue tooth inside, 15 EQ tuning inside. Carton packing.