Specification:Power: 12VAmplifier: TDA7388Audio output: Connect to subwoofer or amplifierMax Power Output: 65W x 4CHFM Frequency: 87.5MHz-108.0MHzUSB Mode: Support 32GB Flash Drive MAXMachine size: 178 mm (W) * 50MM (H) * 125 mm (D) Overall dimensions: 188 mm * 58mm (H) Features:1. AUX audio input， support audio of GPS/MP3/MP5/Phone input2. Multiple circuit protection test (overload， over voltage， short circuit)3. Support MP3/WMA/APE/FLAC/WAV high quality audio format，Support file playback4. 4 sound channels， each channel can be adjusted independently Hi-Fi sound5. Time Code Display when power off， Full information clear LCD screen6. Support read USB/SD/MMC Card7. Digital high-quality FM stereo radio， Preset 18 stations (frequency: 87.5-108 MHz)8. Supports Advanced Audio Distribution Profile playback9. Remote Control and Control Knob10. Built-in Bluetooth + microphone， Hands-free calls11. MP3 randomized， 10 track up / down playback 12. Electronic control volume treble， bass， balance and fader 13. Multiple EQ Scene Selection: jazz， rock， pop， classical， etc. 14. Mute and Loudess control ，remote control and the machine has a button to mute15.Power off memory function， playing radio or music memory power Please note:This head unit is a single din stereo;This item doesn't have AM function.This product does not support CD， VCD， DVD disc playback.Bluetooth can receive electrical and play songs in the mobile phone.Note:Can charge most phones，but not all.And it can not support for iPhone series Package:1 x Car Audio MP3 Player1 x Remote control (wihout battery)1 x Cable1 x User manual