Easy Screen Casting with Seamless Device Switch:  Baseus AirJoy Series 2-in-1 Bidirectional HDMI-compatible Switch Smart Recognition for Signal Source:  Smart pairing, no need to select the signal source. Seamless Switch between 2 Devices:  Less plug/unplug of the cables. Unparalleled 4K Experience: Up to 60Hz refresh rate gives you a cinema-like viewing experience. Dual Connection Mode 2 IN 1 OUT: 2 devices with 1 monitor 1 IN 2 OUT: 1 device with 2 monitors Maximum 40m Transfer Distance:  Stable long-distance transmission with no lag. Status at a Glance:  Icy blue indicator with soft light to show operation status. With HDMI-compatible Cable:  With built-in HDMI-compatible cable, durable and soft.