1.input: AC 100-230V 50-60HZ output: DC 12V 1.2A 2.Backup batteries:2*1.5V (AAA battery) 3..product size:L 150MM* W 230MM * H70 MM 4..color box size: L 270* W 270* H 110MM 5.impedance:4 ohms X 2 6.output poweri??RMSi??i??2 X 4.5 W... - Update: 2007-11-03

Bluetooth Function: .Bluetooth 2.0 Stereo module, open spaces area validity distance 8-10M, support A2DP protocol music stereo play back (support A2DP Mobile phone or PC with music play back.) .With A2DP protocol function support Mobile phone o... - Update: 2007-11-03