SpinPOWER S1 Universal Smartphone Bicycle USB Charger KIT Enjoy unlimited smartphone use while cycling  Apps, MP3, GPS, Make/Receive Calls High-efficiency charger output for power-intensive GPS, cycling, and fitness apps Compatible with most smartphone brands (HTC, LG, Samsung, Motorola, Nokia etc.) Charges other USB-chargeable devices such as bike lights, cameras, GPS units, and MP3 players Easy to attach, simple to use. Fits most bicycle frames. Includes universal bicycle phone mount, dynamo power generator, USB charger, and required mounting brackets