Size: 3 ft/ 20 GbpsExperience super fast speeds, more pixels in 4K, and amazing power delivery with the USB C to USB C Thunderbolt 3 cable. Compatible with Thunderbolt 3 and USB 3.1, it has the power and versatility to transfer data between two USB C devices, support A 4K display and power a laptop with up to 60W of charging power, without the need for an additional power cable.