... move. It keep the safety and steady for the electronic product.4.The endergonic holder can endure the high temperature of 80 centigrade ... :165mm.3.Material:spandex, ABS plate, steel balls, silicon.4.It suits 4.3",3.5",2.8",cell phone,GPS's ... -40celsius degree.7. Steel balls:100% Universal GPS cushion/Car Holder for iPhone/Car Holder for iPhone Universal Device ...