7" hd smart navigation system

light use. bottom of the suction shows some wear. no scratches on the screen. only comes with the head unit, charge cord, mount and box. manual can be downloaded online. Operating system: Linux operating system Working voltage: 12V-24V Wireless system: wired/wireless CarPlay, wireless/wired Android Auto, wired/wireless Apple, and Android video projection, U disk multimedia audio and video Video format: AVI/MPEG/MKV/MOV/MP4 FM radio: 87.5MHz-108MHz （for FM transmitter not for FM receiving） TFT display: 7"IPS 1024*600 resolution Built-in speakers: 3 watt speaker Touch screen: 2.5D capacitive touch screen Bluetooth transmission: stereo dual-channel audio transmission Aux-in: 3.5MM Backup camera: support CVBS AHD camera (confirm the video-in socket before camera purchasing) Multi-language: English, Korean, Russian, Japanese, German, Italian, Arabic, French, Portuguese, and other 17 languages