... .360 degree spinning freely 3.silicone material with anti-skidding,non scratch, shockproof new fashion ... /GPS2.360 degree spinning freely3.silicone material with anti-skidding,non scratch, shockproof 4.use ... for phone with width5cm,thickness2.8cminstallation method:1,can suck up to the front screen 2, ... can firm phone steady on the screen.3. with the design of Hydraulic transmission ,adjust the suction ...