BOBO BM14 QUICK RELEASE ENHANCED BM4 - If you are looking for a compact yet secure bike mount for your mobile phone, this is what you should get. Jaw-Grip expands to fit a wide range of phones from 4.0 - 7.0 inch screen, while keeping all of your buttons and ports accessible. Quick Release Buckle helps release the phone in no time.- ALWAYS SECURED - The clean and clever design sports great holding power without hiding your smartphone behind foam pads and silicon bands. It will ensure you trust the product and believe that your phone will never come off, even on the bumpiest of the roads.- EASY TO INSTALL DO-IT-YOURSELF - We provide all required tools and spare parts to help you install the mount on your own, without any external help.- ALL TOOLS & SPARE PARTS INCLUDED - Along with the main unit, we provide: 1) REARVIEW MIRROR MOUNT - Provided especially for SCOOTERS; 2) METAL BUCKLE & SPACERS - We support 3 common sizes of handlebar diameter i.e. 22, 25, and 32 mm; 3) HEX KEY - This is very useful to tighten / loosen the buckle.