COMPATIBILITY - Ideal for most cell phones and tablets with thin case (Screen size of 4 - 11 Inch). Elastic clamp of ipad car mount can be stretched to 7. 2 inch (18. 2 cm). The minimum length of the clamp is 4. 5 inch (11. 4 cm). Compatible with iPhone 11 Pro Max 6.5", 11 Pro 5.8", 11 6.1", iPad 7th Gen 10.2" 2019, iPad Air 3 2, Mini 5 7. 9, iPad Pro 11, iPhone Xs Max/Xs/XR, Galaxy Note 10 Plus 6.8"/Note 10 6.3", Google Pixel 4 5.7", Pixel 4XL 6.3". Note: It's not fit a case with grip.NON-COMPATIBLE CAR MODELS - Subaru Forester/ Wrx. Note:The distance between two metal posts on your car headrest should be 4-5. 9 inch, please check your headrest before you buy.DEVICE PROTECTION - Soft and Anti-slip Silicone Pad equipped inside for preventing your precious electronic device from scratching, bumping or shaking.STRETCHABLE TELESCOPIC ROD - Aluminum alloy spring tube adjusts to a wide range of car seats. Press the stretchable side of the tube to easily snap the cradle in.360 DEGREE ROTATABLE - Rotatable and adjustable car tablet holder can be tilt for horizontal and vertical views. Provides you ultra comfortable hands-free viewing angle on back seat on the ride and in travel.