1N-COUNT （头戴式）耳机，耳麦 A headset is a small pair of headphones that you can use for listening to a radio or recorded music, or for using a telephone. （头戴式）耳机，耳麦
2N-COUNT 头戴式视图器 A headset is a piece of equipment that you wear on your head so you can see computer images or images from a camera in front of your eyes. 头戴式视图器
Soon the wearer of a virtual reality headset will be able to be 'present' at sporting or theatrical events staged thousands of miles away.