Input: 5-pin mini USB 5V-0.5A.
Output: 30-pin standard iPhone interface and USB interface 5V-1.0A.
Capacity: 1300mAh Li-Pol A grade battery.
Compatibility: work with iPhone 2G, 3G, 3Gs, 4G, iPod through 30-pin interface and work with most of digital products ...
Products: jbl pa speaker,
wooden speaker stands