fleettrack FC3 Fully Waterproof Bike/Scooter Mobile Holder with vibration controller Bike Mobile Holder  (Black)

The clean and clever jaw-grip design sports great holding power without hiding your smartphone behind foam pads and silicon bands. The jaws expand and contract just by rotating a knob on the side and you can tighten the knob till you get the satisfaction that your expensive smartphone is tightly secured in the mount. It will also ensure you trust the product and believe that your phone will never come off, even on the bumpiest of the roads.