1. Radio2. Read card U disk (audio)3. AUX function4. Bluetooth function5.RCA output6. Heavy audio output7. Colorful lights8. USB mobile phone charging function9. APP connection function10. 40 function11. Dual BT function ( two mobile phones at the time)12. Audio copy function13. Voice assistant function14. External microphone functionType: Car MP3 (Double Din)Radio frequency: 87.5~108MHzRadio IC: chip integration amplifier IC: CD7388CZOutput : 60Wx4Working voltage: 12~14.4VWorking temperature: -10~60Bluetooth version: version 5.1 (default name: CAR BT)CPU: SWT6D955Installation size: 178x50mmShell size: 178X100mm depth: 60MMMobile phone interconnection: APP connection (name: CAR APP)Front USB: 2 USB ports, one charging USB2.0 readingTF card: supportReset button: supportAudio output: 4 channels (2 channels left channel + 2 channels right channel)Subwoofer output: 2 channelsAudio input: Front AUX input (left channel + right channel)External microphone interface: supportAudio : MP3/WMA/WAV/FLACLanguage parameter: EnglishColour:Photo ColorMaterial:Plastic + MetalPackage Contents:1X 1X Cord1X Speaker wire1X remote control (without 1 x button battery)2X bracket with screws1X English manualOnly the above package content, other products are not included.Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.