Sennheiser XSW 1-ME2-BC (507451)
Wireless lavalier set. Includes (1) SK-XSW bodypack transmitter, (1) ME 2-II lavalier microphone (omnidirectional, condenser), (1) EM-XSW 1 stationary receiver with internal antennas and (1) NT 12-5 CW power supply, frequency range: BC (670-694 MHz)