Supports all smartphones from 5 to 6.99 Inches screen size.- 360 Degrees Rotation Freely adjust your phone to any angle, portrait or landscape, that suits your preference, providing you with ultimate flexibility in viewing your phone and keeping track of mileage, time or maps during riding.- Versatile & Quick Installation The innovative silicone belt makes it so easy to attach or detach from any size handlebars. Mount it just like putting on a wristwatch. Supports majority of bikes such as Bajaj Pulsar, Hero Splendor, Honda Shine, Enfield, Bullet, Cycles, Activa, Pep, Jupiter (For thick handles like Scooty, please mount on the mirror clamp). Supported handlebar diameter: 0.66" to 1.68" Inch- Usage InstructionsThe silicone part is highly elastic & stretchable to fit larger phones, even though it may look smaller at first. This is to make sure phone is held firmly for maximum safety. Please tighten the band if using on bumpy roads for extra stability. We will replace the elastic for free if broken in case of normal handling.