Small and lightweight, it can work with batteries.
Besides the included power adapter.
6 AA alkaline batteries
It can work for about 3 hours.
Measures 9.4 x 5.9 x 6.7 inches (24 x 15
Weighs approximately 2.9 lbs (1.3 kg).
Small and lightweight yet 5 in.
Equipped with customized full-frequency speakers