0 Sharing – 2-in-1 & 1-in-2 Modes: Switch between two computers sharing one USB device (2-in-1) OR connect one PC to two USB peripherals (1-in-2). No software needed—just press the button to toggleBi-directional USB 2. 0 devices. A USB (Universal Serial Bus) KVM switch is very similar to a legacy KVM in that it allows you to connect multiple computing devices to a single keyboard, mouse and monitor.