USB3.0 (USB3.1 Gen1) and USB3.1 (USB3.1 Gen2) have the same pin configuration, with USB3.0 being backward compatible and the USB2.0 section fully retained. Additionally, 5 wires are added to enable full-duplex high-speed transmission. While the cost is relatively higher, this design helps reduce the impact of cable quality issues. Features the backward compatibility of USB2.0. Compact size, easy to use. Made of high-quality materials for durability. Type: Adapter board Rated current: 1.8A (pins 14), 0.25A (other pins) Withstanding voltage: AC 100V Working temperature: -55C to 85C Color: Green Material: PCB Size: 25 x 20mm Package Contents: 1 x Adapter Board Note: The package includes only the items listed above. Note: Lighting effects and display differences may cause slight variations in color appearance. Measurement tolerance is +/- 13 cm.