C331 360 Degree Universal Ball Adjustment Mechanical Locking Stable Bicycle Phone Holder

Mechanical Locking System: Uses a spring-loaded or auto-extending clip to ensure a stable, non-shaking hold even on rough terrain 360 Degree Universal Ball Adjustment Mechanical Locking Stable And Non-shaking Bicycle Phone Holder. It offers a 360° rotating sphere. Material: PC+ABS. Auto Extending clip. For Bicycle/Motorcycle Using. Bicycle Phone Holder.