ORICO&reg; HF4US Highspeed USB 2.0 4 Port Bus-powered Hub with Power Switch for Mac,iMac,MacBook Pro Air,Ultrabooks,Laptops,Raspberry Pi,and Any PC,Black With Individual Power Switches and LEDs to manager status for each port Makes thing more convenient by easily adding 4 USB 2.0 ports to any compatible system, eliminating the hassle of switching between devices Fast data transfer speeds, with a USB 2.0 transfer rate of 480Mbps (the actual rate will depend on the capability of your device) Widely compatible and super safe: Compatible with USB 2.0 and 1.1, with no drivers required for Windows 8/7/Vista/XP and Mac OS X 10.2 and above. Built-in surge protector keeps both your devices and data safe and supports hot swapping Worry-free after-sales service: We? provides a 12-month warranty and free lifetime technical support globally