The Orico Aluminum Alloy 4 Port USB 3.0 Slope Design HUB adds 4 additional plug-and-play USB 3.0 ports to your USB 3.0-supported device. It comes in an aluminium alloy chassis and has a 30° slope for ease of use and more convenience. Its widely compatible with various devices and is multi-system supported including Mac and Android. For extra safety and peace of mind, it has a multi-protection safety system in place in case of any short circuit.