A clip base eliminates the need for cumbersome details . and the clamp arm is free to contract. The whole process is safe and the state of charge is clear at a glance. Easy to install . just clip . slip . and securely stuck. Use a variety of occasions to liberate your hands . cars . bicycles . beds and tables. Anti-collision and anti-scratch . avoid scratching the phone as much as possible . increase friction and prevent the phone from falling.