RAM Mount Tough-Charge Waterproof Wireless Charging Suction Cup Mount [RAM-B-166-UN12W]Tough Charge Waterproof Wireless Charging Suction Cup Mount The RAM Tough Charge with X Grip Technology is the world's first patented, universal waterproof wireless charging cradle for phones. Designed with spring loaded RAM X Grip Technology, this cradle features an 'X' design that expands and contracts to secure nearly any phone while taking advantage of Qi wireless phone charging. All four arms feature rubber coated caps that hold your phone firmly