1.Four-channel output. 2.DC 12V power supply. 3.Shutdown time display function. 4.Professional-grade car-mounted radio module. 5.Support MP3 high fidelity lossless audio format. 6.Multiple circuit protection test (overload, overvoltage, short circuit). 7.Support large capacity SD card / U disk and other memory playback. 8.Power off memory function, memory power when the radio or music playback status. 9.Vehicle regulation LED display technology, showing super bright, but glossy soft, not dazzling. 10.Electronic tuned radio function, automatic collection, save Taiwan to support power failure memory. 11.ISO European plug = Volkswagen, Europe and the United States car can be plugged into the power cord can be used. 12.AUX audio input, can be mobile phone, MP3 / MP4 / MP5 / navigation and other audio through the machine in the car to play. 13.Support file playback function, you can classify songs as pop songs, classical songs, wives like songs, children like songs to create a different folder in the memory card for easy to play inside.