The RUF-1 HS is the headset version of the RUF-1 HH. In order to achieve even more elbow room, this set includes a light quality headset instead of a hand-held transmitter microphone. The headset can be connected to a wireless transmitter which in turn can be attached to a belt. Features Wireless microphone set consists of: 1x stationary 1 channel rack receiver with mains adapter 1x Reloop microphone headset with bodypack transmitter S/N ratio: pilottone and noise lock Quartz-controlled oscillation Volume control Symmetrical as well as asymmetrical outputs Specs UHF transmitting frequency: 863 - 865 MHz Stability: +/-0,005% S/N Ratio: > 95 dB Distortion: < 1.5% Frequency range: 60 Hz - 18 kHz Sensitivity (receiver): 6 dB Weight (receiver): 0.341 kg.