Description: Add up to 3 peripherals quickly and easily with the Sabrent HB-UMMC USB 3.0 Rotatable Hub. Especially great for notebooks which come with only a few ports in an era when you need to attach many USB devices at once, such as a printer, card reader, cell phone, iPod, thumb drive, mouse, keyboard, or an external hard drive. Please Note:2.4Ghz wireless devices, such as wireless keyboard and mouse adapters, may not work in close proximity to USB 3.0 devices or hubs. Connecting to a USB 2.0 port is recommended. For a stable connection, the devices connected to the 3-Port USB 3.0 Hub must not exceed a combined current of 5 volts 900 mAh. External hard-drives should be connected to an external power source. This 3-Port USB 3.0 Hub will not charge an iPad (it will only sync). Features: Sleek Apple-style design ideal For Mac Pro, iMac, MacBook Air, MacBook Pro, MacBook, and Mac mini Adds 3 USB 3.0 ports to your computer - Up to 5Gbps data transfer rate Easy to set up, Plug-n-Play, Hot swappable, Hot pluggable System requirements: Mac OS 9.1 & higher Windows 98SE /ME /2000 /XP /Vista /7/8/8.1/10 Linux 2.4 or above Package contents USB 3.0 3-port Rotatable hub