High-quality materials: The port connectors are made of plastic, aluminum and brass. They are small, light and flexible, with copper cap, foil, copper foil. This ensures that the transmission effect is not affected by the adapter. Easy to connect: The vertical angle USB 3.0 extension head is ideal for connecting USB devices without slowing down. Supports data transfer rates of up to 5Gbps and is backward compatible with USB 2.0/1.1. Multi-Angle Extensions: The two 90 degree USB connector extensions can be tilted left to right to combine two USB 3.0 cables (male or female) into one longer cable. If there's not enough space, this 90 USB 3.0 connector lets you take full advantage of your USB device's space. Versatile tool: The 90 angle USB 3.0 adapter is compatible with all popular USB cables, such as printers, keyboards, mice, webcams, hard drive enclosures, USB hubs, etc., for all USB cables and USB computer accessories. Included: The set includes 1 left USB 3.0 adapter and 1 right USB 3.0 adapter to meet the device's long connection requirements. It;s an essential ingredient in office or home. Note: The data are all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be will have a certain color difference, the actual object received shall prevail.