One button to switch: with a manual switch on the side, allowing you to switch audio output between speakers and headsets without plugging or unplugging your headset again. One big volume control knob: with an excellent size and a very nice smooth feel, you can both control volume of your computer speaker and headset freely. With AUX audio input: you can connect other audio device with AUX, and switch audio input without plugging and unplugging the cable between computer and speakers.
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