Ultron 112572. System type: 1.0, Recommended usage: notebook/netbook, Amplifier: Built-in. RMS rated power: 2 W. Connectivity technology: Wired & Wireless, Interface: Bluetooth/3.5 mm. Power source type: Battery, Battery type: built-in, Battery life (max): 4 h. Width: 60 mm, Depth: 60 mm, Height: 67 mm