Premium Material: The back panel of this mobile phone holder is made of nylon PA66 fiber reinforced material, and the firmware is alloy material, which is sturdy and durable. Shockproof: There are 4 shock absorbing rubber columns on the back of the bracket, which can slow down the different shocks generated during the driving of the vehicle and effectively prevent shocks. Stability: PVE soft rubber preserves the back of the phone from friction, 8 claws fixation reduces resonance and is more stable, 8 clips fix, enhance the stability of the phone, and accompany you over mountains and mountains without fear of bumps. Arbitrary Adjustment: This bracket has a universal rotating ball, 360 degrees rotating adjustment design, and you can control the comfortable angle. Charging Space: The mobile phone holder has reserved charging space, which does not affect the charging use, suitable for 4.97.3 inch mobile phones. Specification: Item Type: Bike Shock Absorption Phone Holder Material: Aluminum Alloy, Stainless Steel, Nylon, PVE Soft Rubber Gross Weight: 596g or 21.0oz Product Size: About Approx.14cm or 5.5in(stretchable to about Approx.19cm or 7.5in), About Approx.8.5cm or 3.3in(stretchable to about Approx.14cm or 5.5in), About Approx.6cm or 2.4in(stretchable to about Approx.10cm or 3.9in), About Approx.18cm or 7.1in Product Style: JDR 8309 Y Bracket Rearview Mirror