Eight hosts share four USB devices, an eight-input and four-output USB sharing device. Shared printing, efficient office eight hosts share one printer, no need to repeatedly plug and unplug, saving office costs and space. One-key quick switch press the button to switch between 8 computers. Two switching methods button switching and desktop controller for fast, delay-free switching. USB interface expansion USB 2.0 interface supports connection to various USB devices. Real-time status monitoring blue indicator light shows active connection, easy identification of connected computer. Power supply design dedicated power interface supports high-power devices like hard drives and printers; can be powered via Android data cable and charger. Metal shell durable, shock-resistant, wear-resistant, anti-interference, and provides fast heat dissipation for enhanced performance. Wide compatibility works with multiple systems and various USB devices; enables multiple computers to share USB peripherals for improved office efficiency. Color: Black Material: Aluminum Alloy Package Contents: 1 x USB KVM Switcher Note: Other items not included. Note: Lighting and display differences may cause slight color variations. Measurement error allowed is +/- 1-3 cm.