Product Description Easily add up to three devices with the SABRENT USB 3 0 Rotatable Hub Effective for all computers and laptops and particularly those that come with a limited number of ports Avoid interchanging your USB devices and having to decide between synchronizing your phone or working with your external hard drive By utilizing the SABRENT USB 3 0 Rotatable Hub you can employ all of your devices at once 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 3 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 3 Port USB 3 0 Hub will not charge your devices it will only sync High performance USB 3 0 extension cable extends the connection between a computer or Windows tablet and both USB 3 0 and USB 2 0 peripherals including hard drives USB hubs mice keyboards flash drives printers and more Upgrade to SuperSpeed USB 3 0 and future proof your data transfer rate while maintain backwards compatibility with your existing USB 2 0 dices Enjoy SuperSpeed USB 3 0 data transfer rate at up to 5 Gaps 10x faster than USB 2 0 Features shielding that provides protection against noise from electromagnetic and radio frequency signals keeping your signal clear with less loss of bandwidth for higher performance