The chassis is thickened and weighted, and the support is stable without shaking; The head has a built-in universal ball, 360 ° rotation, and the comfortable angle can be adjusted at will; 180 ° omnidirectional, multi angle adjustment; The lifting adjustment is convenient to adjust the fixed height and liberate both hands; The mobile phone collet has a built-in high retraction extension spring, and the anti-skid sponge can prevent the mobile phone from falling.