Description Our support system securely attaches to the handlebar, ensuring phone stability on bumpy roads. It features shock absorption, anti-shake properties, and non-slip silicone without obstructing the screen for convenient use Features Applicable Mobile Phone Size : 4.5 inches--7.2 inches Material : ABS+PC Weight : 179g For your safety and the safety of those around you, do not operate phone while riding. Compatibility Compatible with all VELOWAVE electric bike models.