USB is the most widely used external bus standard applied in the PC field. It is used to regulate the connection and communication between the computer and external devices. The USB interface supports plug-and-play and hot-plugging functions of the device. With the rapid development of computer hardware, USB applications increase the speed of data transfer between external devices. The greatest benefit to users is that users can use more efficient external devices, such as USB 2.0 scanners. A 4M image takes only about 0.1 seconds and the work efficiency is greatly improved.
USB based on different interfaces and data lines, support equipment: mouse, keyboard, printer, scanner, camera, flash drive, MP3 player, mobile phone, digital camera, mobile hard disk, external optical floppy drive, USB network card, ADSL Modem, Cable Modem And other electronic products.