Specification: Name: Bike Phone Holder; Model: YQ-001; Material: Aluminium alloy; Type: Type1: Handbar; Type2: Rearview Mirror; Battery capacity: 2000mAh/3500mAh; Weight: 236g; Color: Black; Suitable pipe diameter: 21-34mm; Suitable for: 3.5-6.5Inch Phone;  Features: Suitable for 3.5-6.5 inch phones. Removable charger design, easy to carry. Large capacity lithium battery, 2000mah/3000mah battery optional, USB interface charging, long life. Aluminum alloy material, anodic oxidation process, not easy to rust, shock and anti-skid, more durable. U-shaped card slot control, reserved hole, at any time to operate the phone. 360° rotatable.  Cushioned to protect the phone from shock and stability. Double screw adjusting design, stable and anti-skid, suitable for handlebars with pipe diameter of 21-34mm. Easy to install. Suitable for most bike modes. Package Included: 1xPhone Holder 1xPhone Holder Base 1xPower Bank 1xCushioning Big Pad 1xCushioning Small Pad 1xHexagon Socket Tool 1xUSB Cable 2xPipe Thin Pads 2xPipe Behind  Pads