1. Charging the mobile phone when no external power source available. 
2. Sway 5min can prolong 5-8min talk time or keep mobile on for 2-3 hours
3. Inside-set lighting at night and FM Radio function, it can be used even when none of power.
4. Suitable for almost all kinds of mobile phones only need fix up transferring joint or equipped with relative mobile telephone transferring joint
5. Completely manual model design, for example, titanium argent, deep blue, orange etc.