Features: Memory panel, memory mobilephone size, no need for secondary adjustment. Fully automatic opening and closing, one hand operate, automatic adjustment of clamping arm, no need to wait, more sensitive pick-up and release. 360 ° adjustable, both horizontal and vertical screens can be used. Simulated ESP automatic control system, professional stability and antishaking, timely analysis of vehicle condition and correction of balance, stable and non shaking. Reasonable design, without blocking the airoutlet and affecting heat dissipation. Physical and mechanical properties, automatic clamping, stable and not falling off. Rear touching button, gently touching to automatically open the clamping arm, effectively preventing accidental touching and causing the mobilephone to fall. No noise, no lag. No model selection, suitable for various sizes of mobilephones.