No batteries needed, EVER!

~Cellular Telephone Ready. Supports Cell Phones equipped with a 2.5mm 3 conductor hands free jack. Listen to Cell-phone and ATC at same time.

~Noise Attenuation - Active ANR -19dB, Passive -24dB

~Adjusts automatically to stereo or monaural intercoms

~Exclusive "Fail-Safe" Power Feature - automatically converts to a full performance -24 dB passive headset should ANR circuit fail.

~Full-Flex Mic-Boom w/mic muff.

~M-57 Electret Condenser Microphone

~Exclusive Push-to-talk (PTT) Switch located on dome of headset. Ready for back-up or emergency use.

~Dual Purpose Volume Controls

~Gel Filled Head Pad & Ear Seals.

~Only 16.2 ounces

~FREE Soft cloth ear covers & mic muffs

~3 Year Warranty