【 3.5mm Bidirectional Audio Switch】Audio Switcher 1X2 or 2X1 designed for customers with multiple audio sources and outputs 3.5mm interface audio selector 2(1)-in-1(2)-Out. support you choose between outputs 1 and 2 to receive a single input | 【Metal Casing, anti-interference.】Adopts metal casing to prevent external interference, and the product is super small size Convenient for you to put next to the TV, computer, etc. No need to take up the position with the metal casing to avoid unwanted influences. Size: 1.77inx 1.37in | 【Mute & 1/2 Switch】 For simple operation, we have added a mute button, which allows you to switch to different usage scenarios with one click. When you need to pause all the music sound No need to worry directly press our mute button One key to solve your problem. | 【Low Impedance, High Quality】This audio switcher is designed with low impedance, which can ensure the normal audio output in the case of great to ensure that you receive the sound quality without any impact, we also equipped with a high-quality 3.5MM audio cable No need to buy extra, enjoy your music feast. | 【Wide Compatibility】Audio Sources: PC computers, laptops, mobile phones, audio players, game consoles, and more. Audio Play Devices: headphones, speakers, audio amplifiers, and more. Suitable for Most 3.5mm audio interfaces, ( not support microphone).