4 Port USB Hub 3.0 High Speed 5Gbps with Switch LED Multi Splitter Adapter for MacBook Pro Laptop PC black

Description

Every port with independent control swith and LED power light. Can be driven 500Gmobile hard disk without external power supply. Backflow prevention circuit design,in order to prevent electric current flow back to the device. Automatic switching between self-powered and bus-powered mode. Supports Plug&Play. Suitable for keyboard, wireless mouse, HDD, camera etc.