9 inch DUDU7 Android Car Stereo with Knobs–Upgrade your ride with 2000×1200 high-resolution display,12GB RAM+256GB storage,and the powerful Unisoc UIS7870 chipset (outperforming the Qualcomm 8155).This head unit comes with a built-in 360°backup camera chip—no extra purchase needed.Note: For vehicle-specific installation,you'll need a compatible plate trim cover and CANBUS box (sold separately) Wireless CarPlay & Android Auto: Ditch the cables! Connect your iPhone effortlessly via Wireless CarPlay, or use Android Auto for a smarter drive.Perfect for upgrading older stereos to modern wireless tech Premium Bluetooth 5.0 with Qualcomm 3031 Chip--Experience superior wireless connectivity with the advanced Qualcomm 3031 Bluetooth chip. Enjoy: Ultra-low power consumption ;Lightning-fast data transmission;Crystal-clear calls and seamless music streaming;Enhanced anti-interference technology;Exceptionally stable signal connection Precision Dual-Band GPS Navigation--Featuring an advanced 6-mode positioning chip with L1+L5 dual-frequency technology, this system delivers:Lightning-fast satellite acquisition;Unmatched positioning accuracy (within 1 meter/0.00062 miles);Lane-level navigation precision Crystal-Clear Communication On The Road: Our advanced digital noise-canceling microphone with HD voice technology and intelligent audio algorithms delivers studio-quality call clarity by effectively eliminating wind, road, and background noise - ensuring perfect voice transmission even at highway speeds up to 120 mph