Blazing Fast 40Gbps: This USB C coupler fully adopts the Type-C physical interface, with throughput reaching 40Gbps. The USB Type C extension adapter supports 100W fast charging and bandwidth sharing. Data, video, and power can be transmitted simultaneously. Lightning-Fast Transfer: The USB C female to female interface boasts a 40Gbps transfer rate, reaching speeds of 2700MB/s. Transfer 10GB files in just 5 seconds – incredibly fast! Stunning 8K@60Hz Video: The USB female to female adapter supports 8K@60HZ audio and video transmission. The ultra-high resolution delivers realistic visuals with virtually zero detail loss, enhancing the three-dimensional and spatial feel of the scene for a more immersive experience. Compact and Convenient: This USB C to USB C adapter is small, portable, wear-resistant, and durable. It doesn't block your grip or operation and can be used as a Type C interface extension. Plus, it can be inserted without checking the orientation. Broad Compatibility: The USB C female to female hub is compatible with Thunderbolt 3, Thunderbolt 4 cables, tablets/laptops, mobile phone hard drive enclosures, docking stations, etc. USB 4 is also backward compatible with all standards under USB 3.1 (Note: To enjoy Thunderbolt 3 and Thunderbolt 4 functionality, use Thunderbolt 3/4 coaxial cables up to 80cm).