It is designed in a simple, compact way that saves space, with all interfaces reasonably distributed for quick and convenient use. Features an ergonomic design and is made of ABS material. The chip is the core of the device's functionality. This product uses a high-performance main control chip, supports full driver-free operation, plug-and-play functionality, and offers high compatibility, avoiding the trouble and instability associated with driver installation common among similar market products. Equipped with electronic button switching for convenient and efficient operation. The electronic buttons replace traditional mechanical switches, making it easy to operate and durable, allowing you to switch between computers for printing. Supports 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 system versions, allowing 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 2 computers using a single USB port. This helps reduce the cost of office equipment, making it ideal for home and small office use. Product Name: 2-Port Manual USB Printer Sharing Device Type: KVM Switch Interface: 1 x A Port / 2 x Square Port Switch: Electronic Key Switch 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: Only the items listed are included. Other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement allows an error of +/- 1-3 cm.