4 port USB 2.0 or 1.1 devices to Compact size and portable. Easily expand by connecting up to your Macbook, Laptop, ultrabook, tablet PC and any USB 2.0 capable computer works with USB. Works with USB extension cable and reverse Compatible with USB 1.1 Designed with a built-in surge protector to keep your devices safe. Plug-and-Play; hot-plugging; driver free. Designed with a built-in surge protector to keep your devices safe

EASY WAY TO IMPROVE YOUR LAPTOP'S FUNCTIONALITY - with the black USB Hub task to charge mobile devices and at the same time to keep a lot of external equipment connected became reality 4 HIGH-SPEED USB 3.0 PORTS of the USB 3 Hub give you the opportunity to simultaneously connect a lot of USB peripherals or devices and allow to transfer data with speed up to 5 Gbps 3 USB FAST CHARGING PORTS of the powered USB charging Hub provide up to 2.4A each and offer you to charge multiple devices at once even when all USB ports are in use