The NETmate 2 PORT 3.5mm STEREO Manual Switch Box AUX Audio Speaker selector is a versatile and easy-to-use device that allows you to easily switch between two audio sources, such as a CD player and a smartphone, without the need for any complicated wiring or electronics. It features a simple and intuitive design, with a button type STEREO selector that makes it easy to switch between the two audio sources. The device is compatible with all 3.5mm audio devices, including smartphones, tablets, laptops, and CD players, and is perfect for use in homes, offices, and other settings where multiple audio sources are used. The device is also wall mountable, making it a convenient and space-saving option for use in a variety of applications.