- Bus-Powered Portable Usb-A Expansion Hub - Usb-A To 4X Usb-A Hub With Usb-C Auxiliary Power Input For High-Power Devices Like Ssds - Supports Ocp / Wake On Usb / Standard Chargers With Driver-Free Setup - Os-Independent And Supports Windows / Macos / Linux / Chromeos - Ideal For Connecting Legacy Peripherals Like Keyboards / Mice / Flash Drives / Card Readers - Attached 1Ft. (30Cm) Host Cable Enables Easy Setup And Reduces Connector Strain - Enables Fast Transfers For File-Heavy Workflows