Equip Mini USB 2.0 Cardreader, Black, USB 2.0, 0.459 oz (13 g), Windows 2000, ME, XP, Vista Mac OS 10.2 +, 0.945 x 0.433 x 2.72" (24 x 11 x 69 mm) Equip Mini USB 2.0 Cardreader. Product color: Black. Interface: USB 2.0. Weight: 0.459 oz (13 g). Compatible operating systems: Windows 2000, ME, XP, Vista Mac OS 10.2 +. Dimensions (WxDxH): 0.945 x 0.433 x 2.72" (24 x 11 x 69 mm)