Specifications:Shutdown time display function.AUX audio input, audio such as mobile phone, MP3/MP4/MP5/navigation, etc, can be played in the car through the machine.Support file playback function, you can classify songs into popular songs, classical songs, favorite songs of your wife, children's favorite songs, etc, create different folders in the memory card for convenient playback.Support MP3 high fidelity lossless audio format.Support large-capacity SD card / U disk and other memory playback.Electronic tuning and receiving function, automatic receiving and storage support for power-off memory.Car gauge LED display technology, the display is super bright, but the light is soft and not dazzling.Power-off memory function, the sound state of music or music during memory power-off.DC 12V power supply.Multiple circuit protection test (overload, overvoltage, short circuit).Four channel output.Type: Car bluetooth-compatible MP3 PlayerMaterial: ABS + MetalFM Frequency: 87.5-108MHzSupport Audio: MP3Voltage: DC12VChannel: 4-Channel OutputFunction: FM Radio, Bluetooth, Hands-free Calls, MP3 Player, U-DiskSize: 188mm x 120mm x 58mm/7.40inch; x 4.72inch; x 2.28inch; (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Car bluetooth-compatible MP3 Player1 x Power Cord1 x Remote Control(Included Button Battery)1 x Machine Detach Tool1 x User Manual