Professional IP67 WaterproofThis fitness wireless microphone's shell is resistant to sweat, moisture and dust. The dripping sweat or moisture won't get into the microphone. It can effectively enhance your using experience and promote your interaction with your audience. Designed for Fitness This wireless waterproof microphone is with detachable waterproof microphone heads for your replacement. Ideal for swimming coach, yoga coach, fitness instructor, water aerobics coach, spinning coach, gym teacher, teaching, speech, church, promotion, dancing instructor, active performers and more. Ergonomic Design & ComfortableThis wireless headset microphone comes comfortable and secure-fit design, the microphone can keep in place during high-impact use or rigorous activities. ONLY 0.1lbs lightweight makes you barely feel it on your head, helping you get rid of shackles of cable for maximum comfort and more freedom to move around. Clearer Sound QualityThis fitness microphone