When the cable is not long enough, you can extend the use distance of Type-C interface. This thunderbolt 4 Extension Cable enable you to connect from your Laptops with USB-C Port(DP Alternate Mode for video supported)to your External Monitors with USB-C Port, you need to connect an external thunderbolt 4 or 3 or 2 Male to Male cable for connection to your laptops or Displays. 40Gbps Data Transfer RateWith this Thunderbolt 4 extension cable, you can copy 14 hours of HD video or 25,000 HD photos in one minute with full speed. 8K or 6K Ultra HD Video Output This Thunderbolt 4 extension cable support 8K or 6K or 5K or 4K 60Hz Video Resolution, bring you extraordinary visual effects. Compatible with thunderbolt 3 or 2, USB4, USB-C 3.2, 3.1 standard and device. 100W Rapid ChargingWith this USB 4 extension cable, It support max 100W 5A power charging, Fully charge MacBook within 2 hours. Upgraded coaxial cableThe inner wire adopts an upgraded version of coaxial wire, which is softer and has strong anti-interference ability. Friendly customer service and 18-month worry-free warranty if you have any questions with the items upon receipt. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.