Item Type: Bicycle Phone HolderMaterial: Aluminum alloy, POM, ABS plastic, high resilience spongeSize: Compatible with 4.5-7in or 11.43-17.78cm mobile phones, compatible with 20-30mm or 0.79-1.18in handlebar diameter Package List1 x Bicycle Phone Holder1Unique Design: After put the mobile phone on, the switch in the middle can immediately lock the mobile phone, and even in bumpy road, it will not fall. 2High Strength Material: Thickened panel, strong and durable, firm lock buckle, POM material is not easy to break, anti rust copper nut, no fear of rain erosion. 3360 Rotation: Universal ball design, 360rotatable, can be used horizontally or vertically, easy to adjust the angle you want, and has strong practicability. 4Phone Protection: The clip is designed with double layer adjustable buffer protection, anti slip and anti shake, will not scratch mobile phone paint, and protects the mobile phone. 5Convenient Design: Just press the two sides of the switch to open the bracket, the phone can be locked with center button, the operation is simple, avoid riding distraction.