j5create JUH340 USB 3.0 4-port mini hub in black. Adds four SuperSpeed USB 3.0 ports plus an optional power input for extra current when driving hard drives, cameras, or charging devices at up to 2.1 A. Host connection is a USB 3.0 Type-A cable; the box also shows a micro-USB style power cord as included optional accessory. Compatible with Windows, Mac OS X, Linux, and Chrome OS.Item is new other. It remains in the original retail carton. The box shows light surface marks and a few small stains on the front panel and edges; corners are slightly worn. Contents have not been removed for inspection in these photos.Package contents per the carton: hub, USB 3.0 host cable, and optional 5 V power cord.