1/8" 1 in 2 Out or 2 in 1 Out Audio selector 3.5 mm TRS Stereo Channel 2 Splitter switcher Box Switching No External Power No Noise
 
Product Features
  

         
Noise Most switches cannot reduce noise. We have realized
         
Usage 1Switch between two playback devices and select one channel to play
         
Usage 2Switch between two groups of stereos and select one of them to play
         
No External Power No power supply, no effect, no need to worry about affecting the sound quality after processing
         
Small size It is the same size as a rubber, which can be conveniently put into your pocket, so that you can use it in any scene you want to take