The RAM® Quick-Grip™ Wireless is a patented universal waterproof wireless charging cradle for phones. As part of the spring-loaded RAM® Quick-Grip™ family this cradle allows for single-handed placement and removal of your phone while taking advantage of Qi wireless phone charging. Both the top and bottom cups feature rubber to help hold your phone firmly in place. To insert your device use your phone to push the top cup upward and then gently place your device against the cradle for a secure fit.