.Use one AA 1.5v dry battery(not included)
.Alloy die casting 
.LED-indicator on during charging
. A safe stream of power to charge for talking longer on your cellphone
.Up to 24 hours of standby time;
.30-180minutes of talking time(It depands on the performance of the battery
used.)
.Safe to use with rechargeable batteries for optimum savings
.Only 25g for case,very convenient
.Travel-friendly and 100% portable 
. A revolutionary solution

.with 4pcs popluar adptors/connectors of mobile phone.eg.
Motorola,Nokia...

Support: 
Mobile phones including: Nokia, Sony Ericsson, Motorola, LG, Samsung,
Panasonic, NEC ,PDA,MP3/MP4 players - mini-usb cable