Some power-intense USB devices may require DC5V power adapter.<br><img src="//agdetail.image-gmkt.com/m430/970/186/599186970/img/agdetail.image-gmkt.com/970/186/599186970/img/des.chinabrands.com/uploads/2015/201508/heditor/201508071800085823.jpg" alt="Rotatable High Speed 7 Ports USB2.0 Hub with LED Power Indicator Light DC 5V Power Input Interface USB Connector Line" /><br /><br><img src="//agdetail.image-gmkt.com/m430/970/186/599186970/img/agdetail.image-gmkt.com/970/186/599186970/img/des.chinabrands.com/uploads/2015/201508/heditor/201508071800236284.jpg" alt="Rotatable High Speed 7 Ports USB2.0 Hub with LED Power Indicator Light DC 5V Power Input Interface USB Connector Line" />                 <strong>Material:</strong> ABS <br />             <strong>Available Color:</strong> Red, Black, Blue <br />             <strong>Interface:</strong> USB 2.0, DC 5V <br />             <strong>Compatible Models:</strong> WindowsXP / 8(8.1) / Win7 / Vista / MAC OS10.6以上 / Vista / MAC OS10.6以上 <br />             <strong>Power Adapter:</strong> 5V / 2A <br />             <strong>Features:</strong> Rotatable                               Array             <strong>Package weight:</strong> 0.151 kg <br />             <strong>Product Size (L x W x H):</strong> 4.2 x 4.3 x 5.2 cm / 1.65 x 1.69 x 2.04 inches <br />             <strong>Package Size (L x W x H):</strong> 9.6 x 6 x 10 cm / 3.77 x 2.36 x 3.93 inches                               <strong>Package Contents:</strong> 1 x Rotatable 7 Ports USB2.0 Hub