Para Pc Altacvoces HP Dhs-2111s 2.1/ 2x3w/3.5mm/5w Audio Jack + USB (Power 1a/5v) Rooms: 2x3w 5w subwoofer Control of Integrated Volume in the Frontal Conector Jack for Frontal Integral Auriculars Connections: 3,5 mm Audio Jack + USB (Power 1a/5v) Power Watts: 3 Watts is the device's power in watts. Sound System (the device's integrated audio standard): 2.1 Connections Jack: 3.5 m