... , the dynamo uses the movement of the wheels to charge I-phone series and most mobiles through USB ... (with mountings): 250 gUSB 2.0 interface-15°C to +55°CCharger: 71 x 33 x 22 mmDynamo ( ... , a charger and a phone holder, is easy to install and suits many different types of bicycles. The ... mounting bracket. The charger and phone holder attach tightly to the handle bars. The charger, phone holder and phone ...