AIR DEFENDER Foam Ear Cushions Style_Over-Ear Optional AAA battery** (3) use

Optional AAA battery** (3) use for up to 100 hour battery life

Communicate with colleagues and listen for warning signals all while enjoying nonstop certified protection

ANSI-certified 25 dB NRR

Extra Durability

and charging case lanyard

AIR DEFENDER Foam Ear Cushions Style_Over-Ear Optional AAA battery** (3) useISOtunes TRILOGY AIR DEFENDER Hygiene Kit offers a trifecta of benefits for optimal hearing protection: superior comfort, noise isolation, and sound quality. Packaging includes 2 ear cushions, 2 outer fabric replacements and 2 foam ear cups. AIR DEFENDER Hygiene Kit is compatible with the ISOtunes AIR DEFENDER. For regular users, we recommend replacing ear cushions, fabric lining, and foam inserts every 3 9 months depending on the frequency of use.