Sennheiser ew 100 G4-ME3 GB-Band, UHF Wireless System, Includes an SK 100 G4 pocket transmitter and an ME 3-II condenser headset microphone, GB-Band (606 - 648 MHz), Includes a rackmount, an RJ10 connector cable, an NT2-UK (suitable for GB and AU) power supply, and 2x AA batteries @+*Features of the ME 3-II condenser headset microphone:*@+@+, Directional characteristic: Cardioid@+*Features of the EM 100 G4 9.5