Brand N/A Model N/A Quantity 1 Color Black Material ABS Connector Type USB 3.0 Port Number 4 Spacing 2.1cm Transmission Rate 480Mbps Supports System Windows 2000 / XP / Vista / Win 7 Other The most economical USB 3.0 HUB on the market; It with 4-USB 3.0 port meet a variety of expansion demand; Compact design hidden its USB connector pocket size easy to be bring travel around; Rigid rotation USB connector avoid wire breakage problems plug and play; Blue light LED indicate using status; Current overload detection and protection design Packing List 1 x USB 3.0 HUB