1.Ultra-thin, one-plug connection design., suitable for desktop computers and laptops.2.Plug and play, support hot swap, low consumption.3.Use high performance electronic part to stable product operation.4.The product is suitable for U disk, card reader, USB mouse, USB keyboard, scanner, digital camera.5.Compact size, lightweight & portable.This USB hub splitter is lightweight , portable and suitable for U disk, card reader, USB mouse, USB keyboard, scanner, digital camera.Supports the following systems: Windows 7/ Vista/ XP/ 2000/ ME/ 98/ 8/ 10, MacOS 8.6-9.2/ OSX-10.6Transmission rate :480-5GbsColour:BlackMaterial:ABSSize:about 44.5 x 18 x 22mmPackage Contents:2 x USB HubOnly 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.