Features:Compact and portable sizeThe USB 3.0 aluminum Hub creates a natural extension for your computerIt can save the time of transfer files with a speedy data transfer rate (the data transfer rate: up to 5Gbps， much faster than USB 2.0)It is compatible with USB 2.0 and USB 1.1 No drivers required for Windows 8 / 7 / Vista / XP or Mac(support USB funtion)Built-in surge protection keeps your devices and data safe. And it supports plug and play.Color: Silver 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 4-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 4-Port USB 3.0 Hub will not charge an iPad (it will only sync). Package included:1 x USB 3.0 Hub