j5create USB 3.0 4-Port Mini HUB JUH340 portable adapter, USB 3.0/2.0 for Windows, Mac OS, Linux OS Black EXTEND YOUR DEVICE: Extends your device by 4 USB 3.0 ports with only one plug SUPER SPEED TRANSFER RATES: USB 3.0 Super Speed, 10 times faster transfer rate (5 Gbps) FAST CHARGING: Supports fast charging for smart phones, tablets, and iPads up to 2.1A BACKWARDS COMPATIBLE: Backwards compatible with USB 2.0 and 1.0 specifications HIGH QUALITY: Elegant, compact aluminum housing that is non-toxic and recyclable External disk drives High-resolution webcams Video surveillance cameras Digital video cameras Multi-channel audio and more! Smart Phones Tablets,iPads, etc