USB data cable is used for the connection and communication between computers and external devices, and can also be used for charging and external connection of mobile phones. Generally speaking, it is used for data transmission and charging.

USB is the most widely used external bus standard in the PC field, which is used to regulate the connection and communication between computers and external devices. The USB interface supports the plug and play and hot swap functions of devices. With the rapid development of computer hardware, the application of USB increases the speed of data transmission between external devices, and the biggest benefit of the increase in speed for users is that users can use more efficient external devices, such as the USB 2.0 scanner, scanning a 4M picture only takes about 0.1 seconds, and the work efficiency is greatly improved.

USB according to different interfaces and data lines, support equipment: mouse, keyboard, printer, scanner, camera, flash disk, MP3 player, mobile phone, digital camera, mobile hard disk, external optical floppy drive, USB network card, ADSL Modem, Cable Modem and other electronic products.