【Versatile 4-in-1 USB Hub】Connect multiple devices simultaneously, including mouse, keyboard, and external hard drive (requires external power for hard drive). 【Plug and Play】No drivers required, supports hot-swapping for immediate use with various devices. 【High-Speed Data Transfer】Supports USB 2.0 with transfer speeds up to 5Gb/s, 10 times faster than standard USB 2.0. 【Easy Switching】One-button switching between two computers eliminates the need for constant cable changes or complex network sharing software. 【Wide Compatibility】Works with Windows 10/8/8.1/7/Vista/XP, for Mac OS X, Linux, Chrome OS, and backward compatible with USB 2.0 and 1.1 specifications. 【LED Indicators】Visual indicators show which computer is currently active for easy management. 【External Power Option】Separate Micro USB port allows for external 5V adapter connection when using high-power USB devices. Specifications: Input Ports: 2 Output Ports: 4 x USB 2.0 Cable Length: 30cm Data Transfer Rate: Up to 5Gb/s Power Input: Micro USB (5V adapter, not included) Compatibility: Windows, Mac OS X, Linux, Chrome OS