Key benefits No external power needed: simply connect the printing port and the device works immediately without an external power supply, reducing cable clutter and setup time. Share one USB printer or USB device between two computers: switch use without unplugging cables, protecting connectors and extending device life while lowering office hardware costs. Durable construction: black ABS case resists drops and abrasion for reliable daily use in office and smallbusiness environments. Broad compatibility: works with a variety of USB printers and other USB devices to improve workflow and office efficiency. What it does Allows two computers to share a single USB printer or other USB device. Instead of disconnecting and reconnecting cables when switching users, you switch the active computer through the unit. Designed for plugandplay operation via the printer port connection; no external power adapter required. Key attributes Function: USB device/printer sharing between two computers. Compatibility: Supports a wide range of USB printers and USB peripherals. Material and build: Black ABS housing provides impact and abrasion resistance. Performance: Reliable, simple switching that protects ports and reduces wear from frequent unplugging. Practical use scenarios Small office with a single networked printer: two desktop stations can share the same printer without swapping cables, keeping work flowing during peak hours. Home office with a compact setup: a remote worker and a family PC can alternate printer use without unplugging, preserving connector life and simplifying tasks. Shared resource in a classroom or workshop: instructors and students can take turns using a single USB device (printer, scanner, or other compatible USB peripheral) with minimal interruption. Why customers need it Eliminates the hassle and wear of repeatedly unplugging USB devices. Cuts equipment and maintenance costs by enabling effective sharing. Provides a durable, lowmaintenance solution that fits common USB workflows. Included functions and limitations Designed specifically to share USB printers and other USB devices between two computers via the printer port connection. No external power supply required.