Bundle of blue USB cables. These is a standard for cables and connectors used for communication and power supply between computers and other electronic devices.
The connectors shown are USB Type-A, which are thin and rectangular, and are typically used on the host end of a connection, such as on a laptop or desktop computer.
The other end of the cables appears to be a different type of USB connector, possibly a Mini-USB or a Micro-USB, which are commonly used for smaller devices.
USB cables can be used for data transfer, device charging, and multimedia integration.