WIRELESS SYSTEM: HEADSET Set consisting of diversity receiver and AH8 headband transmitter with integrated transmitter, without cables. Ideal for fitness, Pilates, Zumba, yoga instructors or active artists... The transmiso+micro AH8 is water and sweat resistant, stainless steel microphone neck. Channel synchronization via infrared. Up to 16 channels can be operated (depending on region). Range approx. 90m. Includes rooting kit.