1. Easy to Use: With light weight and pretty outlooks,it can be carried easily and charge conveniently by put into the original power socket of Blackberry &HTC&Dopod&mini USB& V3 interfaces devices directly.
2. Long-wearing:If the battery is full-charged, it can provide the Blackberry &HTC&Dopod&mini USB&V3 interfaces devices at least one cycle power.
3. Charging Method: This Portable Mobile Charger can be charged via USB port of working PC and laptop or via AC adacpter. 
4. Charging Display:4 LED lights on left upside flash when charging the  Blackberry &HTC&Dopod&mini USB& V3 interfaces devices, no flash when the power is lower than 2.8V, showing the capacity of the battery when pressing the button on right upside.                                                                                                                                          5. Charged Display: 4LED lights on left upside flash one by one from left to right when charging. The FULL indicator lights afeter charging full.
6. Charge Storage Mode: output voltage:5.25V±0.25V output current:≤1000mA(1A)
REMARKS: This Portable Mobile Charger cannot be charged when it's connecting the Blackberry &HTC&Dopod&mini USB& V3 interfaces devices at the same time.