Features 1、It can be mounted on a bicycle and has a handlebar diameter of 22.2‑31.8 mm / 0.87‑1.25 in. Most mobile phones on the market can be used. 2、The size suitable for mobile phones which its length is 115‑180mm / 4.5‑7.1in, and its width 58‑90mm / 2.3‑3.5in. 3、Telescopic size is 122‑180mm, the maximum retractable size is 180mm, compatible with most mobile phone sizes. 4、The bicycle mobile phone holder use plastic material, waterproof, sturdy, durable and wear resistant. 5、The stand can be rotated 360°, and the phone can be adjusted to any optimal viewing angle. 6、When rotating the telescopic screw, the 4 telescopic claws work at the same time, which is very easy to use and very durable. Item Type: Bicycle Mobile Phone Holder Product Material: Plastic Storage Size: Approx. 12x6cm / 4.7x2.4in Maximum Unfolded Size: Approx. 18x9cm / 7.1x3.5in Scalable Size: Approx. 122-180mm / 4.8-7.1in It can be installed on bicycles with a handlebar diameter of 22.2-31.8mm / 0.87-1.25in. Most of the mobile phones on the market can be used. Application: Mobile phone size is 115-180mm / 4.5-7.1in long and 58-90mm / 2.3-3.5in wide Package List 1 x Mobile Phone Holder