StarTech.com USB221EXT, USB, USB, 10.6 oz (300 g), 3.4 lbs (1.54 kg), Wired, 4.21 x 3.31 x 1.34" (107 x 84 x 34 mm) StarTech.com USB221EXT. Keyboard port type: USB, Mouse port type: USB. Weight: 10.6 oz (300 g). Package weight: 3.4 lbs (1.54 kg). Connectivity technology: Wired, Dimensions (WxDxH): 4.21 x 3.31 x 1.34" (107 x 84 x 34 mm), I/O ports: 4 pin USB (Type B) RJ-45 6 pin USB (Type A)