FeaturesWith 360° rotating ball, you can freely adjust the viewing angle with one hand.Liquid silicone back panel and 3 corners to prevent your phone from scratching.Easy to install, just loosen the nut to fit the handlebar and tighten.Clamping arm can be adjusted from 0.8" to 2.2", suitable for various handlebars, such as bicycles, motorcycles, indoor treadmills, etc.Pre-designed charging hole is convenient. Completely surrounded to fasten the center of gravity, stable and non-shaking.Specification:Color:BlackMaterial:ABSHandlebar diameter range:20-55cm/0.9-2.2"Holder Clamping Arm adjustable range:147-212mm/5.8-8.3"Lower clamping arm Length:98mm