Allows quick and easy switching of your Tablet between Mounts， according to your needs.Universal Headrest Mount works well with all Tablet.Adjustable strap quickly and securely mounts to most car headrests.Made from long-wearing and stain resistant elasticated Velcro with ABS clamps to securely hold your Tablet.Air Vent Mounting bracket hooks onto car air vent grill. Tripod-style support installs easily.Grill mounting allows driver full line of sight across windscreen.Mounting bracket quickly and easily detaches when not required.