2-in-1 speakerphone / headset combo for xbox live ultra comfortable in-ear stereo headset with microphone unique patent pending neck speaker for unparalleled comfort easy to access mute button with lock feature communication in comfort without cumbersome headwear using included necklace clip enable multiple people in the same room to communicate over xbox live using a single device. Easily toggle between communication modes on the fly speaker is powered by single aaa battery (included)