Specifications include, but are not limited to: •Twenty-five (25), Two-way capable radio headsets•Two (2) tour guide headsets compatible for communication with 25 two-way capable radioheadsets•Full around the ear coverageoHead-worn radio receiver incorporated into ear cups•Wireless all-in-one design: receiver and transmitter embedded in ear cupoNo separate receiver/transmitter components to wear•Over the head safety strapoWith padded headbandoCompatible with most industry standard hard hats•Two-way communication radio with multiple pre-programmed channels•Noise-cancelling microphone for clear speech transmission in noisy environmentsoDirectional microphone filter for ambient noise reductionoAdjustable squelch settings•Push-to-Talk (PTT) or hands-free Voice Operated (VOX) transmit options•Minimum 22 decibel (dB) noise reduction capability•Battery operatedoPlease indicate if rechargeable batteries can be usedoPlease indicate if traditional batteries can be used in place of rechargeable•Charging case(s) that will accommodate all headset units if available.