b&m E-Werk mobile charger per hub dynamo

b+m E-Werk Bike-mobile power supply for electronic devices via hub dynamo Universally usable: Supplies mobile phone, GPS, MP3 player, camera etc. with power and charges batteries very quickly (from 15 km/h as with mains unit) . Easy to mount on bicycle frame. Splash-proof. Very high power: Up to 16W, high efficiency electronic regulation, voltage (2.8 - 13.3V) and current (0.1 - 1.5 A) adjustable Connection options: USB connection and freely configurable cables for different devices. with plug for SON and Shimano hub dynamo. waterproof cable glands Comprehensive mounting set.