Feature:1. Dual knob development and design.2. Built-in Bt+ microphone.3. Hands-free calls.4. Supports audio distribution profile.5. Off time display function.6. Digital fine-quality FM stereo radio.7. Rotary volume control.8. MP3 randomized, 10 track up / down playback.9. Electronic control volume treble, bass, balance and fader.10. 4-channel high power output.11. The car mp3 player built-in Bt+ microphone.12. The car fm transmitter supports advanced audio distribution profile.13. Good Design: Dual knob development and design.14. Bt+ Microphone: Built-in Bt+ microphone.15. Hands-free: It\u0027s Hands-free calls.Specification:This MP3 Player can be mounted in your car for better musical experience.Features:Dual knob development and design.Built-in BT+ microphone.Hands-free calls.Supports audio distribution profile.Off time display function.Digital fine-quality FM stereo radio.Rotary volume control.MP3 randomized, 10 track up / down playback.Electronic control volume treble, bass, balance and fader.4-channel high power output.Specifications:Voltage:12VScreen: LCDFrequency: 87.5~108MUSB Type: USB2.0Support Audio: MP3 / WMA / WAV, etc.Bt connect: supportItem size: 188 * 115 * 58mm / 7.4 * 4.5 * 2.3inItem weight: 400g / 0.88lbPackage size: 200 * 150 * 100mm / 7.9 * 5.9 * 3.9inPackage weight: 450g / 0.99lbPackage List:1 * Car MP3 Player1 * Remote Control(not included battery)Package List:1 * Car MP3 Player1 * Remote Control(not included battery)