OImaster 7 Ports USB3.0 Hub 5Gbps High Speed Hub Fast Charging Support Windows/XP/Linux/Mac/Mix with Power Adapter The USB3.0 hub has 7 ports. Super fast speed saves your time. Plug and play. Chareg more devices at the same time. You don't need to bend anymore. It can also protect the laptop interface well. Features: USB3.0 Interface for Stable and Faster Transmission Traditional hub usually uses USB2.0 interface that has slower speed. We use USB3.0 interface that provides stable and speedy transmission. Wide Compatibility Support most operation systems. Support Windows/XP/Linux/Mac/Mix. Driver-free. Plug and play. Support hot plug. Dustproof Cap Keeps Clean Humanized design effectively prevents dust, particles, drinks from coming in. Hanging Hole Design Saves Space There is hanging hole on the back that allows you to hang the hub on the wall and saves space. Or you can hang on any place that is convenient to get. Multi-layer conservation Built-in overcurrent, overvoltage and circuit conservation. Protect all external devices and the safety of hub. Specification: Plug type: US/UK/EU Item size: 16 * 5 * 3cm / 6.30 * 1.97 * 1.18in(L * W * H) Item weight: Approx.144g / 5.08 oz Package size: 18 * 11.7 * 7cm / 7.09 * 4.61 * 2.76in(L * W * H) Package weight: 404g / 14.25oz Package list: 1 * USB3.0 Hub 1 * Power Adapter 1 * User Manual