Eximtrade Universal Bike Mount Phone Holder with External Battery 6000mAh PowerBank for iOS and Android Smartphone POWERBANK: the bike phone holder is integrated with a powerbank so you can charge your smartphone when biking. COMPATIBILITY: the phone holder is adjustable that it is suitable for most of the smartphones. ADJUSTABLE ANGLE: the bike mount is adjustable for different viewing angles. DURABLE: made of durable ABS plastic and aluminium alloy, durable and safe to use. Battery capacity: 3.7V/6000mAh &#x2022; input 5V/1A &#x2022; output 5V/1.5A