3.0 cable. The blue color inside the connectors indicates that it is a , also known as SuperSpeed USB.
USB 3.0 cables are designed for high-speed data transfer, with speeds up to 5 Gbps, which is about 10 times faster than USB 2.0.
They are backward compatible with USB 2.0.
These cables are used to connect various devices, such as printers, external hard drives, and other peripherals, to a computer.
The cable in the image appears to have a male Type-A connector on both ends, which is a common configuration for extension cables.