Features: Motorcycle X-Grip Clamp: Compatible for iPhone， GPS， Samsung， Google Nexus ， Sony， Xiaomi， Huawei， Cubot & other brand phones with 3.5-6 inches screen. USB Charger: Equipped with a 5V 2A USB charging port， quick speed and high efficiency charging， never worry about cellphone/GPS short for battery when on a road trip.Over Load Protection: Auto power off when the charging voltage exceed 30V. Engineering Osteology Design: TWO rolling balls， 360 degree free rotation， create your own comfortable angle. Four frosted rubber feet will firmly hold your phone even in high speed.Easy Installation: Take one motorcycle rear view mirror off， put the hole of the X-Grip mount through the mirror， and re-install the mirror. Or you can use 8mm/10mm screws to install.Fit for 12-30V motorcycle， electric bicycle， scooter， ATV， car， etc. Specification: Material: Aluminum Alloy， ABS， Silica Gel Color: Black Size (Approx): 11×6×8.5 cm/4.3×2.36×3.35 inch Wire (Approx): 110cm/43 inch Mounting Hole Size: 8mm/10mmInput Voltage: 12V-30V Output Voltage: 5V Output Current: 2A Wattage: 120WWiring: Red(+) Black(-)Package include: 1 × Motorcycle Phone Holder USB Charger 2 × Frosted Rubber 2 × Sticker