The USB charger supplies nearly all of your mobile devices with eco-friendly energy straight from your dynamo, generating power from speeds of 12 km/h. Recharging is made easy through its central position and the absence of tangled cables. With this pioneering product, you can simply replace the headset cap with your Plug and pedal away. At 46 g it's light as a feather. Imagine that all your electronic devices are always charged and ready to go, no matter where you're in the desert, in the countryside, or in the forest.