Four-corner Clamping for Stability on Rough Roads: Wrap-around clamping design ensures stability even on bumpy terrains One-click Locking for Secure Phone Attachment: Upgraded locking button design securely locks the bracket, preventing it from loosening during bumps Quick Release with a Single Hand for Added Convenience: In the unlocked state, simply push upwards, and it will automatically tighten after releasing, allowing for quick mounting and removal Shock Absorption and Anti-vibration with Thickened Non-slip EVA: Upgraded thickened EVA provides shock absorption and non-slip padding, with larger friction-enhancing back patterns for a firm grip on your phone Does Not Obstruct the Screen, with Reserved Charging Port: Reserved charging port and power button for convenient use, such as navigation, phone calls, message checking, and charging anytime Specifications: Product Name: Phone Mount Item Number: 25210032001 Material: ABS Pipe Diameter: 18-28mm (Handlebar type only) Applicable Phone Size: 4.7-6.8 inches (Up to 12.5cm length, 8cm width) Weight: Handlebar base type 122g (Including base); Rearview mirror base type: 138g (Including base) Compatible Models: Bicycles, Electric Bikes, Motorcycles Package Included: 1 x Bike Phone Holder 1 x Base 1 x Installation Parts Other items not included