【Noise 】Most switches cannot reduce noise. We have realized | 【Usage 1】Switch between two playback devices and select one channel to play | 【Usage 2】Switch 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

【Noise 】Most switches cannot reduce noise. We have realized | 【Usage 1】Switch between two playback devices and select one channel to play | 【Usage 2】Switch 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 | 【Rca stereo】We have a variety of sockets to choose from .