Q: Can all the cars be installed? A: This Car mount is fixed by the two head pillars of the Headrest, only with these two pillars can be install this product. If there are special seats raised on both sides of the car seat, the raised half-height spacing more than 251mm can be installed, so it can be suitable for the most cars on the market. But if the seat and headrest is siamesed, such as Volvo's active headrest and Mercedes-Benz GLA sports seat headrest, etc., this type of seat can't be installed.Q: Can I install on a truck? A: No, this car iPad stand can be used for most of cars but not suitable for trucks.Q: If the part of the rotation of the Car mount holder used for a long time, will the part can not be used because of wear and tear? A: This product comes with a hex wrench in the standard package, you can adjusted the rotation part and tighten the screws with the hex wrench when used a long time or loose.Q: How can the product problem be solved?If you have any questions or unclear about the product you received, please free feel to contact us via Amazon email. We will help you to solve it within 12 hours.
QUANFUN Universal Car Headrest Mount Holder is a unique rounded corners design that meet the specifications of the European Union's interior part.Product specifications: Product Size: L 250 * W126 * H55mm Net Wei ght: 0.62kgClamping range: Compatible with the length of more than 117mm Smartphonesalso compatible with the width of less than 210mm Tablet PCs
Package includes: 1 * Universal Car Mount Holder 1 * Hex wrench 1 * User Manual.

• [UNIQUE DESIGN]: Unique rounded corners design that meet the specifications of the European Union's interior parts. There are no any sharp edges or sharp corners or raised parts and other unsafe hidden dangers. Streamlined appearance, clamping arm storage design, installation does not occupy the car space, perfect match with the car interior, beautiful appearance, very useful,safely and suitable for families with children.
• [UNIVERSAL COMPATIBILITY]: This Car mount phone holder perfect fit Apple iPad 4 /2/3, iPad Air, iPad Mini 2/3/4 & iPad Pro 9.7", iPhone 7/7 Plus/6S/6S Plus/6/5S/SE/5C/5/4S, Samsung Galaxy S8/S8 Plus/S7/S6 Edge/S6/S5/S4/S4 Active, LG G6/G5/V20/G3, Nexus 5x, Sony Xperia, Moto, Huawei, Blackberry and HTC cell phones,etc, and all 4.7 Inch to 11 Inch Tablet PCs , Cell phones, GPS & DVD.
• [ADJUSTABLE & STRETCHABLE] QUANFUN Universal Car Headrest Mount Holder is a very compact and convenient mounting solution. The clamping arm is made of high-grade anti-skid silicone material, can be protect the device from being scratched. And also can be rotated 360 degrees, work with horizontal, vertical and any direction you want. With the auto locked design, accidentally can also be a solid grip on your phone or tablet computer. Security and Stability.
• [DAMPING SHAFT TORQUE ADJUSTMENT] Exclusive damping shaft torque design allows you to keep your device auto fixed in any direction and not just the vertical or horizontal. Easy to use, simple and quick installation, and select the perfect width for your device and put it in place. If the clamping arm has a little loose when used for a long time, you can adjust the resistance of the shaft with the hexagonal wrench which comes with the original packing directly.
• [100% SATISFACTION GUARANTEED]:12 MONTHS WARRANTY! If you are not satisfied with our product, for any reason, simply send it back for a full refund! We believe that you will like our products. If you have any question, please contact us or ask a question via Amazon email, we will do our best for you!

[UNIQUE DESIGN]: Unique rounded corners design that meet the specifications of the European Union's interior parts. There are no any sharp edges or sharp corners or raised parts and other unsafe hidden dangers. Streamlined appearance, clamping arm storage design, installation does not occupy the car space, perfect match with the car interior, beautiful appearance, very useful,safely and suitable for families with children.QUANFUN