Power Acoustik PTID-6250B In Dash DVD AM-FM Receiver with 6.2 inches Touchscreen Monitor with USB/SD Input Built-in Blue Tooth 2.0: Safely make and receive hands-free phone calls, scroll contacts lists, and stream MP3's via A2DP from your enabled Smartphone SDHC Card Reader. Read up to a 16gb SDHC card for MP3 audio and MP4 video playback, or view & save photos with the JPG photo viewer. Full Operation Touch Screen Controls. You'll find navigating through the extensive features of PTID-6250B an ease with a tap of the screen to access all menus and settings. Variable Subwoofer Level Control: Effortlessly balance the subwoofer volume with a separate sub level control & selectable 80Hz, 120Hz, or 160Hz low-pass Rear View Camera Input: Stay clear of objects your mirrors can't see with a rear view camera connected to the triggered camera input.