1. One-touch control
2. Portable ,practical and long cycle life
3. Modern design ,quality manufacture,with innovative charge state and battery level indication
4. Fit for mobile phones,iphone,GSP,digital camares,MP3/MP4 and other devices with a re-chargeable battery ,Any portable device that has an option to charge via USB
5.  Safe and reliable,perfect  for using on travelling and outdoor activities.