The Samson AirLine 88x AH8 Fitness Headset system offers true wireless freedom without the inconvenience of a beltpack or cable. Featuring a lightweight, water-resistant micro transmitter headset with a secure yet comfortable fit, this frequency-agile UHF wireless system provides high definition sound, premium reliability and a 300' operating range. Wireless Innovation The integrated design of the AH8 Fitness Headset combines a micro transmitter and adjustable gooseneck into a low-profile headset that molds to the shape of your head. The headset also features an internal 8-hour rechargeable lithium ion battery, easily accessible Gain and Mute controls, and IR sync wirelessly match the receiver and transmitter frequency. Fitness Focus Designed to meet the demands of Yoga, Pilates, Zumba and cycling instructors, the AH8 Fitness Headset features water-resistant components for protection against perspiration and the elements, including a marine-grade stainless steel gooseneck and AE50X micro-miniature microphone capsule. The capsule’s cardioid pickup pattern provides excellent isolation from stray and unwanted noise for clear and intelligible speech.