... products,more eco-friendly 2.Portable travel mobilephone charger Bicycle phone chargerBicycle charger kit features:Are you still worried ... offering mobile phones free and eco-friendly electricity, our Bicycle Charger is consisted of a charger and dynamo, as ... models. The adjustable screw could be operated by hands InstallationThe Bicycle Charger, including three components: a bottle dynamo, a charger ...