USB Hub: Instantly add four USB 3.0 Ports to , , Pro/ Mini, surface Pro, XPS, notebook PC, mobile HDD and more. Charging supported. High Speed Data Hub: Supports Transfer Speeds up to 5Gbps (USB 3.0), 480Mbps (USB 2.0), 12Mbps (USB 1.1). Note: This hub support output max current up to 900mA. So some HDDs that need current more than 900mA need external power adapter. Ultra Slim & Advanced Chipset: Featuring compact and ultra slim size of 18x9x2cm. Adopted advanced Chipset with good thermal design, will not heat even if used for long time. Great Compatibility: compatible with /8/8.1/7/Vista/XP and , Linux and chrome OS.(the USB 3.0 hub reverse compatible USB 2.0 and USB 1.1.) Easy Setup: No driver installation required; Plug & Play and Hot Swappable. colour: silver Material: aluminum alloy Package Contents: 1 x USB HUB Splitter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.