Computer Accessory Sets features: 4 Ports USB 2.0 HUB for Apple Computer(Black) Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. 1) Our newest Hub provides four downstream USB ports that are compatible with both Hi-Speed USB 2.0 and USB 1.1 (Low and full speed) devices. 2) The top loading port gives you easy access for quick, temporary connections of USB thumb drives, media readers, small accessories such as USB lights and fans, the Apple iPod shuffle, and more. 3) Connect a modem, USB printer, scanner, and HD to one convenient USB HUB. With the USB 4 ports HUB you can add 4 USB peripherals to your computer and save desktop space 4) System Requirements: Windows XP/ME/2000/98SE/Vista/Windows 7; Mac OS 10.2~, Mac OS 9.1, Linux Kernal 2.4 or later Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-dadangjia