UGREEN USB 2.0 Hub 4 Port USB Hub Splitter for Mac, Windows, Linux systems PC (Black) 4 ports high speed USB 2.0 hub transfer rates up to 480 Mbps,Backwards compatible with all 1.1 Compatible with Mac, Windows, and Linux systems. Apple OS X Mac systems require latest OS X updates, No drivers required Supports plug and play, 80cm cable allows you to extend your USB devices to your PC/Notebook LED indicators is for easy monitoring working condition Micro USB female is optional for power hungry devices. Note: USB 2.0 port can only provide max 500 mA current.