The EW-DX MKE 2/835-S set from Sennheiser contains both a handheld and lavalier set of microphones for the EW-DX wireless digital system. The wireless lavalier microphone set contains two EW-DX SK (wireless bodypack transmitters), two MKE 2 (omni-directional clip-on lavalier microphones), an EW-DX EM 2 rackmout receiver (2 channels) and two BA 70 rechargeable batteries. The handheld microphone set contains two EW-DX SKM-S (handhelds with mute switch), two MMD 835 capsule (cardioid, dynamic), an EWDX EM 2 rackmout receiver (2 channels) and two BA 70 rechargeable batteries. This is a great, all-around set for speakers or performers in a variety of venues.