?HiFi & EQ Settings?Support subwoofer output, Support the EQ Settings with the 15-band graphic equalizer. Build in Pop, Rock, Jazz, Classical, Flat, User, Voice, sound delay. Multiple customization option's let you adapt the audio experience to your liking. ?AHD Rear View Camera? Equipped with an AHD rear view camera with a waterproof design, Excellent night vision and 170° ultra-wide field of view. When reversing, the AHD camera reversing image will be automatically displayed on the touch screen. ?FM/RDS Radio Receiver &Bluetooth 4.2?: With 18 preset storage functions. Hi-Fi function, high-fidelity sound quality, can perfectly reproduce the sound of music or video, bringing you the most authentic sound. The built-in Bluetooth and microphone allow you to make calls, listen to music, navigate maps, and more without hands-free control.Adjustable sound effects, click to enter Sound Effects to adjust and set your favorite sound effects. ?Built-in WIFI & GPS Navigation?: 9 inch car stereo built-in WiFi module, support online/offline maps.After connecting to WiFi,you can download, install and delete over thousands of apps. With WiFi connected, Google Maps/Here we go/Waze/Navfree,etc can be used perfectly, you can go anywhere you want and never get lost again. ?Wireless CarPlay & Android auto?This touch screen car stereo with apple car play radio compatible with wireless with apple play car stereo(via Bluetooth or USB cable)and wired Android Auto double din stereo(via USB Cable)features just connect with your smartphone that make it possible for you to access map navigation,phone contacts,notification,music and more while you stay focused on the road. ?Applicable Car Models?The car radio stereo GPS Navigation is compatible with Mazda CX-9 2007 2008 2009 2010 2011 2012 2013 2014 2015. Plug and play, we have installed the frame Kits for the unit, so the car radio include all the wire harness, you don't need to buy any other part.