There are 3 different styles of microphone headsets provided by VIN.

1. With version 1, the mute button is located on the right ear piece and is the center of the ear piece. The volume controls are on the upper and lower rim of the right ear piece. The mute indicator is a red light located on the microphone stalk and will be lit when the microphone is muted.  See below:
   
   
   
   
   
2. With version 2, the mute button is located on the right earpiece. Above the mute button are volume up and down buttons. The mute indicator is a ring on the headset cord. It is red when the microphone is muted. See below:
   
   
   
   
   
   
3. With version 3, The mute button is located on the headset cord. It is the large silver button. The mute indicator is located on the mute button. The mute indicator blinks when muted and is solid red when not muted.