Note: 1.The sound of the head unit is transmitted through the original car AUX, so you need to activate the original car AUX function when using this head unit, otherwise there is no sound heard. If there is no AUX function, it is not recommended to buy, unless you can program AUX. 2. This Android head unit does NOT have radio function, but you can use your vehicle's radio. ?Support 4G Network?(TDD-LTE, FDD-LTE, WCDMA, T-Mobile) in North America, 2.4G and 5.0G WiFi Supported 4G Bands: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41, 42. Not supported 4G Bands: 13, 25, 26. Note: You need to insert a data Micro-SIM card (not included) to use the 4G network and sharing. ?Radio with Bluetooth & DSP?Answer/ make calls and be hands-free with no distractions. The built-in microphone picks up your voice and your car speakers let you hear the person on the other side. High quality digital stereo (DSP), you can control the volume of each speaker before and after and it has stereo EQ: jazz, rock, pop, classic, etc. Support play music or video online through the network. ?Built In Wireless Carplay & Andriod Auto?Bulit in Carplay & Android Auto, support to use smart voice assistant or touch the display, you can get directions, make calls, send and receive messages, and enjoy music etc. A smarter, safer and more fun way to use your phone in the car, and keep you stay focused, connected and entertained. ?GPS Navigation & WiFi Connect?Car stereo Support inserting 4G SIM card. After the Auto radio is connected to wifi, you can navigate and install. Built-in Offline Map of North America. Online map also be supported, after connected to WiFi, you can use GPS Navigation at anywhere. This item allow install or delete android apps from Application Store, as the same as smart phone. ?Android Car Stereo Radio?Android 11 system,10.25 inch 2.5D 1080P HD touch screen, 4G RAM+64G ROM Octa Core CPU, offline/online GPS navigation, Wifi connection, RDS/FM radio, two USB, 7 EQ adjustable, support carplay Android auto, steering wheel control. ?Applicable Car Models?Compatible Models & Years: For BMW X5 E70 (2007 2008 2009 2010) with CCC system, For BMW X6 E71 (2007-2010) with CCC system. Please make sure there is a 10 Pin LVDS port at the rear of the unit (CCC system port). it fit LHD Left hand driving cars only, dont fit RHD.