Precise Electronics 3-Port USB 3.0 HUB with RJ45 10/100/1000 Gigabit Ethernet Converter for,Desktop/Laptop Computers( WinXP, Vista, Win7/8/10 (32/64 bit), Macbook(Mac OS X 10.6 and above), Linux) Slim hand-size and a super light-weight of 1.8 oz, makes it your ideal travel companion, designed specifically for mini laptop users, ultrabooks, notebooks, desktop and tablets with usb ports, for super-speed data transfer connection. Adds a separate routable network connection over the ethernet port, to connect to more devices with built-in surge protection to keep your devices and data safe, supports hot swapping. The ethernet port of 1 gigabit allows for fast network speed, backward compatible with 10/100 ethernet , (IEEE802.3, IEEE802.3u and IEEE802.3ab compatible). Adds 3 super-speed usb 3.0 ports, allowing for data transfer of up to 5gbps, for fast syncing, that is about 10x faster than usb 2.0! Package content: precises usb 3.0 hub with 3*usb 3.0 and gigabit ethernet adapter; one driver cd. this product is backed with 18 months warranty from Precise Electronics.**NOTE : you will receive an email right after your purchase ,of how to install the drivers needed for the USB hub , for optimal performance , please do not miss this email*** , Thank you.