New Universe Digital TV receiver UBT100. Frequency response: 47 - 860 Hz. Connectivity technology: Wired. Weight: 17 g. Dimensions (WxDxH): 28.5 x 10 x 73 mm, Compatible operating systems: MS Windows TM XP/2000, Minimum system requirements: -PCTM/compatible w/I P-Ⅲ 1.0GMHz -Direct x 9.0a -VGA(8MB) -Audio Device -USB 1.1/2.0