RAM Mounts Quick-Grip™ Waterproof Wireless Charging Handlebar Mount with U-Bolt and Hardwire ChargerPowdercoated, marine grade aluminum construction with stainless steel components and high strength composite Universal, water resistant wireless charging cradle features spring loaded, RAM Quick Grip design and 10W maximum output Includes a 1 B size rubber ball with a diamond base, perfect for attaching any B size RAM double socket arms Connected Type A male pigtail connector features an in line switch that allows you to turn off the wireless charging