We know that this is a crazy and changeable internet world that we are searching. So you must own something new and crazy. If you are using your computer with your mouse， keyboard， scanner， printer， digital camera， MP3 player， external driver， camcorder， the 4-Port LED USB 2.0 Hub High Speed Mini USB Hub Adapter for Phones PC Devices is without question your first and best choice. As the above-mentioned， it allows your computer to have plug and play connection to multiple USB devices. Its perfect lightweight design is convenient for travel. Just tuck it easily into your laptop bag， no external power needed. Take it home and have a perfect life!                                    Features             1 upstream and 4 downstream USB port included<br> Fully compliant with USB specification version 2.0<br> Hot plug and play USB device<br> Half-transparent design with blue LED for power<br> An ideal helper if you need extra port to connect additional USB devices<br> It supports multiple devices， including phones， PC， digital cameras， laptop etc.  <br>                                                            Specifications             Material     Plastic & Metal    <br> Dimensions     (4.33 x 0.98 x 0.79)" / (11 x 2.5 x 2)cm (L x W x H)    <br> Weight     1.59oz / 45g    <br> Color     Black    <br> Cable Length     Approx. 50cm    <br> USB Ports     4    <br> USB Type     USB 2.0    <br> Interface     USB2.0， Compatible with USB1.1    <br> Data Transfer Rate     1.5Mbps/ 12Mbps/ up to 480Mbps    <br> Bus-Power Limit Current Protection     500mA       <br>                                                             Package Includes            1 x 4 Ports High Speed USB 2.0 HUB <br>