Features:Brand new and high quality.This hub is lightweight and compact. You can tuck into a pocket in your laptop bag or carry-on, which makes it easy for you to use USB devices anywhere when you use your laptop.This hub includes 4 downstream and 1 upstream ports, compliant with universal serial bus 3.0 specification revision 1.0.Up to 5Gbps data transfer rate.Hot-swapping feature allows you to connect/disconnect devices without powering down the system.LED Power On/Off Indicator.Plug and play, No driver installation neededConnected cable length: 1mBus-power limit current protection: 900mASystem requirements: windows XP, vista, win7, Mac OS (10.X or above).Size: 10cm x 4.3cm x 2cm - 3.94inch x 1.69inch x 0.79inchPackage Included:1 x USB 3.0 HubUSB 3.0 cable