Features:
2,4 GHz Vocal-Wireless-System, desk receiver, pocket transmitter with condenser lapel microphone, 6 switchable frequencies (all 6 parallel),
audio frequency range 10 - 20.000 Hz, dynamic range > 115 dB, up to 30 Meter (depends on location), DCL (Digital Channel Lock) batterypower ca. 8h, world wide licence free use