The XSW 1-ME2 UHF Lavalier Microphone Set from Sennheiser is an easy to use all-in-one wireless system for presenters and moderators. It can be used to capture audio for speech, interviews, and presentations. The set includes an intuitive stationary receiver for quick set-up and hassle-free handling, as well as a bodypack transmitter and a lavalier microphone. It is built with antenna-switching diversity reception and features automatic frequency management and synchronization via remote channel. Up to 10 compatible channels are available. Additionally, an AC power adapter and two AA batteries are also included.