You get this whole head experience, it is a bit difficult to explain but you can actually hear the sound and position of the sound even for such small ear pieces. Lighting is one of the most important ways we can provide ambience in our home. G20 said the microphone, external first one should be a microphone turned connector, and headset section also has a special microphone interface, so will undoubtedly greatly expanded the function of G20, and through external microphone, but also can get better sound quality performance.
Look at my blog post;
logitech g930