Cycle2Charge is an integrated battery charger that charges your phone or navigation device from the hub dynamo via the USB interfaceThanks to the integrated processor, the charging behaviour is automatically adapted to the connected device and the current speed.- Reduction of charging time for many devices- Increased compatibility with different consumersSimple, compact and unobtrusiveCycling and charge your mobile phone at the same time Using the comfort of the Navis without worries about the battery lifeIntegrated inconspicuous design on the bicycleAdditional comfort in a professional design.Waterproof, robust and always ready to useDetails:Converts the energy of the hub dynamo into 5 V USB charging current Max. Power: 1000 mA. With Standard USB socket for universal useFor Android, iPhone, Windows, GPS Some mobile phones (especially some iPhones) may require the use of a power bank.Thanks to the significantly higher efficiency, ideal for tour driver Already at 12 km / h 500 mA according to USB specification Already at 21 km / h maximum charging current of 1000 mAIntegrated Thyristor surge protector Even safe to use with rapid downhill journeysMultipart construction of the cable guarantees maximum stability and corrosion resistance Interior made of sturdy anodised aluminium Outer Cap made of impact and corrosion resistant plasticThe operation and installation instructions (cannot guarantee instructions are in English), as well as performance curves can be found to download under www.cycle2charge.deHandlebar adaptor if no ahead headset set is available here:https://www.amazon.de/dp/B07NJ8Y84W