U3 - 272 Aluminum Alloy 4-port USB 3.0 HUB for PC / Laptop / Notebook / Desktop<br /><br />Main Features:<br />- Intelligent protection， support the instantaneous current and voltage overload protection <br />- USB 3.0 can be compatible with USB 2.0 / USB 1.0 / USB 3.0 cable<br />- USB 3.0 Transfer Protocol， transmission speed is 5Gb/s<br /><br />    Specifications<br />Specification<br />	 Model: U3 - 272                                                  <br />                        Interface: USB3.0                                                  <br />                        Compatible System: Windows XP / 7 / 8 / Vista / MAC OS X                                                  <br />                        Optional Color: Silver                                                  <br />                        Product Weight: 0.002 kg                                                  <br />                        Package Weight: 0.075 kg                                                  <br />                        Product Size (L x W x H): 4.5 x 4.5 x 4.5 cm / 1.77 x 1.77 x 1.77 inches                                                  <br />                        Package Size (L x W x H): 5 x 5 x 5 cm / 1.97 x 1.97 x 1.97 inches                                                  <br />                        Package Contents: 1 x 4-port USB 3.0 HUB                                                	<br /><br /><br /><br />                                                                                            <br />