Durable black ABS enclosure provides strong protection against drops and daily wear. Two computers can share a single printer, eliminating constant plugging and unplugging when switching printing tasks and reducing wear on equipment and office costs. Does not require an external power supply; operation is supported through the printer connection for a simpler setup. Intelligent control chip and performance main control unit deliver smooth, rapid switching with stable performance and broad compatibility, helping to improve work efficiency. Compact desktop design suits most office and home environments while maintaining a clean, professional look. Practical use scenarios Small office with two PCs sharing one printer: switch printing between workstations quickly without reconnecting cables. Home office with a desktop and a laptop: print from either device without rearranging connections. Meeting room or classroom: two users share a single printer during demonstrations or group work, enabling seamless print access.