This Niceview monitor has USB-host connector for USB-memory stick, you can play media stored in 
USB-memory stick.

Main features:

* High resolutions panel with 800x480 native resolution
* Resistive touchscreen (USB)
* On-Screen Display (OSD) function
* Reversing function (DC +12V active)
* Perfect with computer, GPS, multimedia use in vehicles
* Reverse camera support
* Door light support
* Built-in speakers
* Bright and clear picture
* 1 x VGA input (15 pin D-SUB)
* 2 x Composite Video input (RCA plugin)
* Dual Stereo audio inputs
* Headphone output in front panel
* 1 x USB connector for USB memory stick

1 x 7" TFT VGA touchscreen monitor
1 x VGA and video cables
1 x Headrest mounting frame
1 x Stand
1 x IR Remote control
1 x Touchscreen pen

* Resistive touchscreen resolution: 2048x2048
* Viewing angles:
 - Left: 70
 - Right: 70
 - Top: 70
 - Down: 70
* Contrast ratio: 500/1
* Brightness: 300
* Respond Time: 8ms
* Viewing area: 155x87 mm
* Viewing Dot: 800x480
* Dot distance: 0.06x0.19 mm 
* Color: 262000
* Operating voltage: 12V (9.5-14.4V)
* Max current consumption: 2A
* Dimensions (display): 180 x 122 x 25 mm
* Mask: 203 x 147 x 29mm

Download Touchscreen drivers for all OS (new window, off this site)