Sennheiser SK 300 G4-RC-BW
Sennheiser SK 300 G4-RC-BW, Pocket Transmitter of the EW 300 G4 Series, Frequency range: 626 - 698 MHz, Mute button, Charging contacts, Connection: 3.5 mm Jack, Mute function can be switched by means of Sennheiser RMS 1 (Article Nr. #240338#, not included)