Please kindly notes : If you received any problem items,please contact us before giving any feedback, we will confirm the problem and reply you ASAP and give a best solution for this,Please dont worry we are responsible for any possible issues. It's our responsibility to solve the problem until you satisfied. Features: 1. 7 inch HD car radio MP5 player with digital touch screen. 2.Android smart phones to mirror link via Wifi and USB, Iphone to mirror link via wifi 3.Support Bluetooth hands-free calls,Bluetooth music player. 4.Internet Entertainment, Built-in Wi-Fi Module,supports to connect WiFi hotspots to surfing internet. 5.Built in GPS module,support both online and offline navigation app form Google Play app market.With wifi connected, Google Maps can be used perfectly, you can go anywhere you want and never get lost again. 6.This input automatically powers the rear camera when the vehicle shifts into reverse and displays the image on the unit's screen. Rear camera sold separately. 7.Support original car steering wheel button learning function, through it you can control the functions that you need by steering wheel, more convenient. 8.Supports memory cards up to 32 GB for music playback on units without monitors and music, photo and video playback on units with monitors. 9.FM Radio: Online music you can transfer the music to the car stereo by FM to enjoy the original car stereo sound,with 18 preset stations. 10.EQ function and Subwoofer Output. Specifications： System:Android 11 Screen type: Digital capacitive touch screen Screen size: 7 inch Screen resolution: 1024 x 600 RAM (memory): Quad Core 1GB ROM:16GB Power output:4*45W Mirror link:Android/IOS Radio Band:FM