<b>Specification:</b> <br>Size: 11 * 4.3 * 1.6 * 0.5 (inches) <br>Weight: 0.15 (pounds) <br>5-in-1 USB Hub: <br>SD Card Reader *1 (Data Transfer) <br>TF Card Reader *1 (Data Transfer) <br>USB 3.0 *3 (Data Transfer) <br>