Mount it on your bike, will convenient you to check time/callings/messages no matter on fine day or rain day. Install ,bicycle handlebar whose diameter less than 25mm. Adjustable handlebar mount allows multi-angle rotation Color: black Package included: 1x Bicycle phone holder Note: Light and different displays may cause the color of the item in the a little different from the real . The measurement allowed error is +/- 1-3cm.