["Description:\r\n\r\nFeatures:\r\nbrand new and high quality.\r\nCompliant with USB version:1.1/2.0\r\nConvert one USB port to 4 USB 2.0 ports for your laptop or desktop.\r\nAllows simultaneous operation of up to four separate devices all attached to a single USB port. ( Up to 500mA power supply for each connected USB device)\r\nBackward for USB 1.0 & 1.1.\r\nPerfect for connecting USB 1.1 or 2.0 peripherals such as USB Mouse, HDD, USB Storage Device, USB CD-R/RW or DVD-ROM drives, USB 1.1 Hubs, etc.\r\nConnects to scanners, printers, digital cameras, camcorders, speakers, mice, keyboard, external drives, MP3 players and more. 　\r\nFor for Acer for HP for for Laptop or PC with USB port.\r\n\r\nSpecifications:\r\nMaterial: Plastic+Metal\r\nColor: Black\r\nUSB cable length: 25cm\r\nSystem requirements: for windows XP, vista, win7, for Mac OS (10.X or above)\r\nQuantity: 1 PC (other accessories demo in the picture is not included)\r\n\r\nNote: \r\n1.Transition: 1cm=10mm=0.39inch\r\n2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\r\n3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage includes:\r\n1 X USB 2.0 HUB"]