All-in-one digital wireless lavalier set for those who speak featuring Sennheiser's renowned ME 4 cardioid clip-on microphone. Versatile and feature-rich digital wireless system for those who speak or present that allows for seamless product pairing and management via the EW-D Smart Assist App. With a metal housing, the robust bodypack transmitter and unobtrusive clip-on microphone ME 4 (cardioid) with high speech intelligibility suit perfectly for daily use on stage.