15W Wireless Charging: 15W Qi wireless charger built in this motorcycle phone mount to ensure your phone/ GPS never lose power! "NO USB" design brings the most charging convenience! Super Firm and Safe: aluminium mounting bracket keeps the motorcycle phone holder most stably mounted on handlebar or rear-view mirror by extender. The high-end engineering plastic clamps which could be adjusted to max. 90mm width will securely hold all 4.0-6.5 inch phones. Univeral for All Wireless Charging Supporting Phones: it can wirelessly charge for all phones with wireless receiver built-in. eg. iPhone 8 / 8 Plus / X, Samsung Galaxy S9 / S9 Plus / S8 / S8 Plus / S7 / OnePlus 3, HTC 10/ Huawei MateRS/ Mate20 Pro/ Mate20 RS etc. (Pls note we don't advise to charge phone with case wearing.) Wide Compatibility: The package coming gaskets ensure the phone holder perfectly fit the handlebars with dia. 7/8", 1", 1-1/4" on motorbike, ATV, Mopeds. Also, the rearview mirror