1Alloy construction process, CNC anodized frosting process, no painting, safety and environmental protection. 2Do not block the keys. Holes are reserved for making phone calls, listening to music, charging. 3360 degree rotation, adjust the angle of the phone at will, mechanically lock, convenient and fast. 4Humanized singlesided rotary knob, convenient operation. 5Reinforced base, lock the handlebar tightly. Adjustable design, stable and safe, builtin antislip protection pad 6High compatibility, suitable for handlebar diameter less than 31.8mm/1.3in.