... 74 x 28 mm • N.W.: 50 gSpecification:1, USB 4-Port Hub: 1.1/2.0 version.2, USB HUB ... is required.3, Plug-and-play, Driver is not required.4, Support Window 98/2000/ XP/ WIN7/ VISTA/ MAC5, Wide used ... , CD-RM driver, Digital Camers/Camcorder. . OEM Popular colorful plastic 4 ports USB Hub, best for promotion gift