This tour guide headset microphone is optimised for tour guide transmitters. The tour guide head-worn microphone has a cardioid (directional) pick-up pattern, featuring a lightweight design and high-output. It is equipped with an adjustable band to fix the headset on your head for best position. A foam windscreen is included to minimise 'popping' when close-talking and to reduce wind noise outdoors. SPECIFICATIONS Type: Electret condenser type Directivity: Unidirectional Sensitivity: -66 dB ±3 dB (0 dB = 1 V/0.1 Pa, 1 kHz) Maximum Input Level: 120 dB SPL Cord Length: 1.3 m Terminal: φ3.5 mm monaural plug Finish: Headband: EVA, black; Frame: Stainless, black (silicon rubber); Gooseneck: Black (shrink tube) Weight: 50 g (cable included) Replacement foam windscreens available as a spare part.