Brand: Yenkee Model/PN: YSP 2010BK Type: Computer Speakers Connection type: Wired Power Source: From PC USB Port Interface: USB Sound System: 2.0 Frequency: 50 Hz ~ 20 kHz Power (RMS): 5 Impedance: 4 Ohm Volume Control: Yes Speaker Cable Length: 1.3 m Color: Black Weight: 530 g Warranty For Individual Customer: 1