PROMEND SJJ-297 Aluminum Alloy Rotation Adjustable Bicycle Mobile Phone Bracket 1. Note: The product only includes the bracket, nothing else 2. Free rotation, stable and not shaking 3. The screen does not block the buttons, which is easy to operate, and the buttons and interface positions are reserved 4. The bracket adjustment knob is mechanically locked, stable and anti-shake, not easy to loosen 5. The knob shaft can be easily adjusted to load the mobile phone, and the four grippers are equipped with anti-skid and shock-absorbing gaskets, which will not damage the mobile phone 6. 360-degree spherical adjustment axis design, not only screen adjustment, no visual dead angle, more comfortable and convenient 7. Wide compatibility, suitable for a variety of sizes, the stretch range of the bracket is about 55-95mm 8. The diameter range of the bracket tube is about 20-35mm, compatible with some electric vehicles and motorcycles 9. Material: aluminum alloy 10. Size: 6.7x9cm