Multi USB Expansion: Extend one USB interface into your computer to three. All USB devices can be used. USB 3.0 Hub turns 1 USB 3.0 port into 1 USB 3.0 & 2 USB 2.0, perfect for connecting multiple USB peripherals such as USB stick, keyboard, mouse, mobile HDD and more. Super Fast Data Transfer: USB 3.0 speeds up to 5Gbp / S 2. USB 2.0 ports downstream speeds up to 480MB / s. An HD movie can be transferred in seconds. Super compact and lightweight: The usb hub size is 7 * 1.9 * 0.9cm, which not only saves desk space, but is also light and convenient to store in a laptop bag or backpack, A good partner for travel, office, home and school. Wide Compatibility: USB hub compatible with Windows XP / Vista / 7/8/10, Mac OS 10.10 or later, Linux 12.04 or later. Easy to use: The built-in chip protects the connected devices from short circuit, overvoltage and overheating, ensuring a stable connection between device and computer. No installation; Plug & Play and hot-swap.