Usb powered mini pc speaker max power rating:3w*2 rating:usb/dc5v (sp-ck4).
Stylish sleek design, high quality sound, excellent 3d bass effect, easy to store, carry and use.Usb powered, volume control, 3.5mm audio jack connector,
max power: 2.5w*2 watts
impedance: 4 ohms frequency response:90hz-20khz
Condition: Brand New