2-In-1-Out / 1-In-2-Out Speaker/Headphone Switcher Box: Easily toggle between two audio inputs without the hassle of repeatedly plugging and unplugging audio cables, reducing the risk of potential damage to your equipment caused by frequent connections and disconnections. A simple audio switcher can effectively prevent this wear and tear on your audio gear | Compact Size: Measuring at 2.6 x 2.5 x 1.1 inches, this switcher box boasts a small, compact design that's perfect for a wide range of audio setups, offering convenience without taking up much space | Compatibility: This 3.5mm Audio Selector is specifically designed for use with 3-segment earphones. Please note that it does not support four-segment headphones | Bi-Directional Studio Switch: Seamlessly choose your audio input between 1 and 2 with the 1/2 switcher and receive one output. Similarly, you can select your audio output between 1 and 2 to accept one input, providing flexibility and convenience in your audio setup | One-Touch Mute Function: Equipped with a convenient mute button, this switcher offers quick muting capabilities, which can be particularly handy in special circumstances or when immediate silence is needed