Colour Name:Black Ugreen 4 Port USB 3.0 HUB with 1m Cable Length for MacBook MacBook Air, Mac Mini and Microsoft Surface, Ultrabooks More Ports: Turn one of your computer's USB ports into four 4 Port USB 3.0 Hub simply helps you to connect up to 4 USB devices to your PC or Laptop, such as external hard drives, USB flash drives, mouse, keyboard, USB headphone, speakers, memory cards, keyboard, mouse and much more USB devices etc. It provides you with extra 4 usb ports and keeps you away from the trouble of plugging& unplugging repeatly.More Convenience Better PerformanceSuperSpeed Data: Up to 5 Gbps data speeds USB 3.0 Hub supports super faster data transfer up to 5Gbps-10X faster than USB 2.0, transfer HD movies or files in just seconds.It is backward compatible with USB 2.0, 1.1 and 1.0 Great Compatibility: Compatible with Windows 10/8/8.1/7 / Vista / XP and Mac OS X, Linux and Chrome OS. Plug & play, no driver needed Perfect Solution for Power Hungry Device Such as HDD SDD With 3.5mm x 1.35mm DC-Jack, if you connect high power consumption devices (more than 900 milliamps) HDD, power supply can be connected to offer extra power. Note: 1. When you connect iPad, talets require higher power input, this USB 3.0 hub will sync but not charge.(Standard USB 3.0 interface on Laptop can offer 900mA power input) 2. 2.4 GHz wireless devices,MIDI devices and some USB 3.0 devices may not be supported.Try using the host port or a USB 2.0 connection 3. For a stable connection,please plug extra power adapter for high power-hungry devices,such as external hard drives,or mass storage USB flash drive.DC-Jack size:3.5mmx1.35mm Extra Durable and flexible USB Hub 3.0 powered With 1m USB 3.0 Cable: flexible cable can extend the hard- to-reach USB ports on your desktop to your desired location, which making it a nice choice for desktop. LED Indicators Through the LED indicator,you can easily monitor the connection status