[Amazing High Compatibility] This bike phone mount holder has super clamp arm width 50-95 mm, will perfectly fit most phone mount up to 3.5 inches wide It totally holds iPhone 4/ SE/11 /12/11 Pro Max/12 Mini/12 Pro, Samsung Galaxy S7 | Galaxy S7 Edge, Galaxy S9, OnePlus 3, HTC 11, etc.The Enough thickness reach 25mm could accommodate 2 iPhone X, so All cell phones below 6.5 (even with a case) will be suitable for the box perfectly. [Safety Performance Comparable to Tanks] DesertWest waterproof bike phone case uses whole closed design to make sure safer than most bike phone mounts in the market. Provide ipx6 waterproof performance to completely protect your phone from splashes of rain, snow, mud, and dust. The unique screw bracket adjustment system and anti-impact shell together protect your phone from falling down forever Therefore nothing can happen to your mobile phone even on long-distance bike off-road trips. [Innovative and convenient design] The bike cell phone holder used the high-strength and stable lock system, no tools required, simple assembly to install and the unique lock device and metal plate sticker suction system for quick taking and placing are adopted. And the individual adjustment through the 360ball joint makes your phone feel free to adjust any angle. Adjustable bike mount compatible with handlebars with diameter from 18~32 mm, all bike or motorcycle, or ATV will be suitable. [High-strength and stable clamping system] This DesertWest bike phone mount has multi-nut force arm transmission system. The sturdy extendable clasps enable a more solid and durable hold, the Hex key could tight the arm stable,prevent the occurrence of loose during strenuous exercise The stable system absorbing shock to make sure no tremblethe video window is set on the back of the mobile phone to ensure could take scene videos of stable and clear even scenery while riding at 70km/h. [4K Touch Screen Film and Face ID Unlock]: The clear sensitive screen protector makes the touch screen, face ID, front cameras work well. You can set the double-click to brighten the screen freely and sensitively to operate the phone without any influence when using the DesertWest bicycle phone stand. And the bottom of the case can be opened to support charging, depending on your requirements, you can use a power bank charge the mobile phone via charging cable.