About this item 【Broad compatibility】 Car Between headrest back seat Aluminum alloy tablet holder, the adjustable side clamps extend from 5.5 in to 11.4 in fits all 4-13 inch Device, such as iPad Pro 12.9 11 10.5 10.2 9.7, iPad Air 4 3 2 1, iPad Mini 5 4 3 2 1, iPad 8 7 6 5 4 3, smartphones iPhone 13, 13 Pro, 13 Pro Max, iPhone SE, iPhone 12, 12 Pro, 12 Pro Max, iPhone 11, XS, XS Max, XR, X, 8 Plus, 8, 7, 7 Plus, 6 Plus, 6, Samsung Galaxy Tabs/ Galaxy Note/ Galaxy S Series and more cell phones or Tablet devices. 【Telescopic rod compatibility】 The flexible headrest mount fits distance between two posts from 18.9'' to 29.1'(48-73.9cm). Applicable to almost all car models on the market. (Quick and easy to install the iPad mount to the seat or take off from the seat with no tools required). 【360° Rotable & Movable】 The swivel ball joint allows easily tilt and 360 degree rotate for portrait and landscape viewing. Besides, the iPad clamp can be moved left and right through the quick-flip structure. This headrest mount will offers best viewing position to ensure the entire back seat is equally entertained, whether one passenger or two. 【Stable Durable & Material】 The retractable headrest tablet holder made of aluminum alloy is fixed on the pole between the two seats, The tablet holder clip is accompanied by the locking function. The upgraded ball joint construction balances stability and flexibility which keep the tablet absolutely stable even on a super bumpy road. 【Protect And Device】 The contact surface of the tablet has non-slip silicone, which protects your important tablet from vibration and shock without damaging it, so you can rest assured. Since it is fixed by both, the seat cannot be knocked down, but it is very stable when driving.(HINT:When you mount the cradle with the backseat mount , Until you hear the sound of “click” then the installation is successful.)