Product Description HD Touchscreen: 10.4 Inches HD Capacitive Full Touch Screen, resolution 1280*800, highly responsive and clear.Wire / Wireless Carplay & Android Auto: Sync your IOS/Android smartphone to seamlessly access the features on your phone through the built-in display. Make calls hands-free with the help of Siri. Play music apps like Spotify or Pandora with your iphone.Bluetooth : When paired with a smartphone , you can make hands-free calls and Play music apps like Spotify or Pandora wirelessly.Mic for Making a Call: Dual mic Design( built-mic + external optional mic jack) makes sure you can get a quality calling.Phone Mirroring/Casting: It allows you to cast what's displayed on your phone(such as GG maps, Youtube video) to the car stereo screen via original USB interface. Supports almost all Android and IOS phones.AM/FM Radio with RDS.Rear View HD Camera: You will see the rear surroundings on the big screen when the vehicle shifts into reverse. Package includes a HD waterproof Rear view camera.Steering Wheel Controls: Control this unit using the vehicle's existing steering wheel control buttons.DSP with 20 Band EQ Audio Setting: Rock, pop, jazz, Electric, classic and 20 -band user-customizable EQ.Physical buttons with Knob: Physical buttons design make you drive safely. Bluetooth When paired with a smartphone , you can make hands-free calls and Play music apps like Spotify or Pandora wirelessly. AM/FM Radio with RDS Build-in AM/FM Radio, Auto Memory Store/Preset Scan, it can stored 30 stations by FM1-FM2-FM3-AM1-AM2. 10.4" Touchscreen 10.4 Inches HD Capacitive Full Touch Screen, resolution 1280*800, highly responsive and clear. Mirror Link It allows you to cast what's displayed on your phone to the car stereo screen via original USB interface. Supports almost all Android and IOS phones. 7 color backlight 7 colors backlight for your choice .You can also turn off the backlight if you want . Extra Micphone Dual mic Design( built-mic + external optional mic jack) makes sure you can get a quality calling. Streel Wheel Control Control this unit using the vehicle's existing steering wheel control buttons. Physical buttons with Knob Physical buttons design make you drive safely. 1. Why no power after installed? Confirm the car voltage is 12V,Check the fuse work or not ; Confirm the car ignition on (Switch ignition key to "ACC" ) Confirm both yellow & red cables have been connected yet; 2. Why the saved stations / the Clock setting / playback status lost every time you start the car? Please exchange the yellow & Red cables to connect. (the red cable and yellow cable are in opposite positions in some models of cars) 3. Why show "invalid" when you click "Bluetooth" / "Mirror-Link" icon ? Pls turn off the wireless carplay/android auto, then use the Bluetooth/Mirror Link mode again. 4. Why it won't turn to carplay function after I connected Bluetooth ? Pls click in your phone "General--CarPlay--Secret--CarPlay" to turn on the button. 5. Why the radio cannot connect the Bluetooth all the time ? 1. Unplug the power cable & plug in again 2. Reset the radio to factory mode.