Device Holder - Tough-Charge™ - Charging - Wireless - Waterproof - X-Grip® TechCaracteristicas: Powdercoated, marine grade aluminum construction with stainless steel components and high strength composite Designed with spring loaded X Grip technology; features an X design that expands and contracts to secure nearly any phone while taking advantage of Qi wireless phone charging Four arms feature rubber coated caps that hold devices firmly in place Includes a 1 B size rubber ball with a diamond base, perfect for attaching any B