2X TYPE C to 3.5MM DSD256 for Android Headphone Amplifier Adapter Portable USB Logic Hifi for Ios Win10 PC

Operating instructions: 43131 with multi-function buttons. For Android: Press once [single click] to switch songs, [double click or three clicks] previous or next song For : You can pause the playback. The green light is on. When playing a concert in DSD format, the light turns blue USB adapter color is random, No specification accepted