1. Support file playback function 2. The left and right/left channels are isolated 3. Support bluetooth speakerphone, bluetooth music 4. Multicircuit protection test (overload, overvoltage, short circuit) 5. Various EQ sound scene selection: jazz, rock, pop, classical, etc 6. Power outage memory function, memory loss or music playback state 7. High and low sound adjustment, easy to enjoy the audio effect of hi-fi car 8. DC 12V power supply, removable panel, detachable enclosure needs 24V  9. Support large capacity SD card /MM card, U disk and other memory playback 10. Machine background seven color key lights, can be independently set single color 11. Pre-aux audio input, mobile phone, MP3 and other audio through the machine in the car 12. Support MP3/WMA high fidelity audio format, song download 320kbs above the code rate, sound double 13. The LED display technology of the car, the display is super bright, but the luster is soft and not dazzling 14. Both the machine and the remote control have a pause button with a mute button to facilitate the occasion  15. Electronic tuning radio reception function, automatic receiving station and storage station support power failure memory