Description USB3.0 (that is, USB3.1 Gen1) and USB3.1 (that is, USB3.1 Gen2) have the same pins, and USB3.0 is backward compatible, and the part of USB2.0 is completely reserved. In addition, 5 wires are added to carry out full-duplex high-speed transmission. Although the cost is relatively high, it avoids the influence of wire quality problems to a certain extent. That is, the backward compatible part of USB2.0. Small size, easy to use. Made of high quality material, it is durable. Type: adapter board Rated current: 1.8A (1~4 pins) 0.25A (other pins) Withstanding voltage: AC 100V () Working temperature: -55 degrees to 85 degrees Colour:green Material:PCB Size:25 x 20MM Package Contents: 1 x Adapter Board Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real . The measurement allowed is +/- 1-3cm. Note: Please allow slight errors due to manual measurement. Please make sure you don't mind before bidding. Color may vary depending on your monitor, please understand. Note: Hello, please pay attention to your shipping address when purchasing products. If your delivery information (e.g. name, street, house number, doorbell/email without name, etc.) is incorrect, the order will not be delivered correctly