The CTH 100 is a throat worn microphone designed for extended use without discomfort to end user finished in black. It is designed for extended use without discomfort to end user. Excellent clear audio response even under extreme environmental noise pollution. The Electret condenser throat microphone. Frequency response is optimised for clear speech communications even under high ambient noise situations. Designed for extended use without discomfort to end user. The transducer and neck band is fully adjustable to allow for optimum comfort and performance. CTH100 is also water immersion resistant.