It is equipped with a stand for storing power bank. Any power bank within a width of 2.36 inch and a thickness of 0.79 inch can be installed. Just enjoy your journey without worrying about running out of energy.The scientific shock absorption design can make sure your phone tightly tied to the bicycle even on rough road. And the special designed non-slip rubber grip of the phone holder can protect your device.The unique internal mechanical gear press design makes the phone easier to install and unlock one-click to mount or release your phone.The specially designed spherical joint has 360 arbitrary angle rotation, so you can freely adjust the angle of the phone according to your preference to flexibly view the phone, track mileage, view weather or maps while riding.