Nobsound New Mini 2 (1) -IN-1 (2) -OUT 3.5mm Stereo Audio Switcher Passive Selector Splitter Box (Raid)

2-IN-1-OUT (switch audio source) / 1-IN-2-OUT (switch audio output) Input (3.5mm) connection computer/smartphone/music player, etc.Output (3.5mm) connection active speaker/headphone/amp, etc.High quality volume control knob for smooth volume control Mute button one key to mute the device, very convenient.A/B Buttons Easily select which device to use as audio input or output No power supply or additional required.Hot-swappable (no need to reboot the device)