Quick Charge USB Charger: this motorcycle phone holder usb charger with fast USB charging port to keep your mobile or GPS devices charged anytime when you need. Never worry about your cell phone /GPS power off while riding! With your device mounted, you can easily access to your phone screen/ GPS and most of the functional keys. No need to unmount your smart phone! It's 100% safe to keep your hands on the handlebar! Super Firm and Reliable: made from aluminum, the motorcycle phone holder USB charger can be mounted most stably on handlebars. The adjustable clamping arms which could be adjusted to max. 90mm width will securely hold most 4.0"-6.8" smartphones. Universal: the motorcycle phone mount can securely fit for all cellphones from 4.0 to 6.8 inches or bigger with width 0.43". eg. for iPhone 5 / 5s / 6s / 6s Plus iPhone 7 / 7 Plus iPhone 8 / 8 Plus / X, Samsung Galaxy S9 / S9 Plus / S8 / S8 Plus / S7, HTC 10, etc. Two Easy Installation: it fits handleba