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 39;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: MP3 Voltage: 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 39;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