Features: 1.Ultra-thin, one-plug connection design., suitable for desktop computers and laptops 2.Plug and play, support hot swap, low consumption 3. high performance electronic part to stable product operation 4.1 Port upgrade to USB 3.0, speed up to 5 Gbp/s. Two downstream USB 2.0 ports speed up to 480 Mb/s, easy to , suitable for PC, laptop, and any USB enabled computers 5.Small size, plug-in type, easy to carry and Transport Interface: USB3.0 Transmission Rate: USB 2.0 port up to 480Mbps; USB 3.0 port up to 5Gbps Operating system: Win95/98SE/Me/2000/XP/7/8/10/vista, Linux, OS 8.5 and above. Supply: USB 5V/600ma External Supply: 5V/1.5A-2A Usage Temperature: 0 -70 Temperature: 10 -90 size:1.6*0.9*0.7cm Material:Metal + ABS colour:white Package Contents: 1 * USB Hub 1 * Strap Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.