The Samson AirLine 77 AH7 K5 wireless system is a game - changer for fitness instructors and active performers. It features a unique AH7 micro - transmitter attached to a sweat - resistant Qe fitness headset microphone. This setup lets you ditch cables and beltpacks, so you can fully focus on your class or performance without audio distractions. Key features include an up - to - 300 - feet line - of - sight operating range, a headset with a built - in micro - transmitter, a Qe condenser microphone with a bidirectional pickup pattern, a sweat - resistant design for high - energy use, up to eight hours of battery life on a single AAA battery, a True Diversity design to minimize dropouts, a mountable half - rack chassis, and 1/4 - wave antennas.

Using this Samson AirLine 77 AH7 K5 wireless system is a breeze. First, insert a single AAA battery into the micro - transmitter on the headset. Then, turn on both the headset and the receiver. You're now ready to start your performance or fitness class. Make sure you stay within the 300 - foot line - of - sight range to keep a good connection. When it comes to maintenance, since the microphone is sweat - resistant, a simple wipe with a clean cloth after each use will keep it in good condition. Keep the battery compartment clean and replace the battery when the power runs low. Also, store the system in a dry place to prevent any damage. Don't expose it to extreme temperatures or moisture. If you experience any audio dropouts, check the position of the antennas and make sure there are no obstructions between the headset and the receiver.