USB Port Expander: RSHTECH Upgraded Version 4 Ports USB 3.0/USB-C Hub instantly adds 4 USB ports extension to your PC and laptop for your device charging and data management. Plug and play, no driver required 2-in-1 Long Cable: Powered USB hub with a 3.3 ft long USB-A/USB-C detachable cable, you can freely adjust the length to perfectly suit your laptop or desktop workstation. The dual USB adapter design is compatible with USB-A/USB-C/Thunderbolt 3 devices, support OTG function. USB hub 3.0 splitter is compatible with Windows 11, 10, 8.1, 8, 7, Mac OS X (10. x or above) and Linux