It is designed in a simple, compact way that saves space, with all interfaces reasonably distributed for quick and convenient use. Ergonomic design with ABS material. The chip is central to the device's functionality, featuring a high-performance main control chip that supports full driver-free operation, plug-and-play capability, and high compatibility, eliminating the need for driver installations and avoiding the instability issues common in similar market products. Button switching provides efficient and convenient operation. The device uses electronic buttons, replacing traditional mechanical switches, making it easy to operate and durable, allowing seamless switching between computers for printing tasks. Supports cross-system operation with a built-in template engine and hot swap functionality. Fully compatible with Windows XP/7/8/Vista and Mac OS 8.6 and above, offering flexible system selection. Suitable for various USB port devices, enabling external USB devices such as scanners, plotters, multifunction machines, and printers to be shared between two computers using a single USB port, helping reduce equipment costs for home and small office environments. Product Name: 2-Port Manual USB Printer Sharing Device Type: KVM Switch Interface: 1 x A Port / 2 x Square Port Switch: Electronic Button Hot Swap: Supported Color: Black Material: ABS Size: 7 x 6 x 2 cm Package Contents: 1 x USB Printer Sharing Device 1 x Instruction Manual Note: The package includes only the items listed above. Other products are not included. Lighting and display differences may cause slight variations in the color of the item compared to the image. Measurement may vary by +/- 1-3 cm.