Memory foam ear cushions and headbandANSI-certified 24 dB NRR | CSA Class ACSA/OSHA Compliant hearing protectionSafeMax™ Technology limits volume to 85 dBUp to 40-hour battery lifeIPX4 sweat and water resistance. Background noise-reducing microphone for clear calls in loud environmentsBluetooth 5.

New raised buttons for easy navigationImproved battery life up to 50 hoursImproved Bluetooth 5. 0Vented headband with new comfort foam headbandMemory foam ear cushionsANSI-certified 25 dB NRR | CSA Class BCSA/OSHA Compliant hearing protectionSafeMax™ Technology limits volume to 85 dBOptional AAA battery** (3) use for up to 100 hour battery lifeIPX4 sweat and water resistance.

ANSI-certified 26 dB NRR | CSA Class ALCSA/OSHA Compliant hearing protectionSafeMax™ Technology limits volume output to 85dB. Up to 10 hours of battery lifeIP67 durability for dust, water, and sweat proof protection.

ANSI-certified 25 dB NRR | CSA Class BLCSA/OSHA Compliant hearing protectionSafeMax™ Technology limits volume output to 85dB. Up to 13 hours of battery lifeUp to 25 additional hours with charging caseIP67 durability for dust, sweat, and waterproof protection.

Redesigned controller with larger, more pronounced buttonsANSI-certified 27 dB NRR | CSA Class ALCSA/OSHA Compliant hearing protectionSafeMax™ Technology limits volume output to 85 dBUp to 11 hour battery lifeIP67 dust, sweat, and water resistance. Noise-isolating microphone for clear calls in loud environmentsBluetooth 5.

ISOtunes Boom Microphone is a noise-reducing microphone attachment for clearer calls in loud environments. Compatible with ISOtunes LINK 2.

ISOtunes TRILOGY™ Foam Replacement Eartips offer a trifecta of benefits for optimal hearing protection: Superior comfort, noise isolation, and sound quality. Replacement Eartips are sold as individual packs that include five pairs of eartips.

ISOtunes TRILOGY™ Foam Replacement Eartips offer a trifecta of benefits for optimal hearing protection: Superior comfort, noise isolation, and sound quality. Replacement Eartips are sold as individual packs that include five pairs of eartips.

ISOtunes Triple Flange Replacement Eartips offer comfort for non-protective use. Replacement Eartips are sold as individual packs that include five pairs of eartips.

ISOtunes TRILOGY™ Foam Replacement Eartips offer a trifecta of benefits for optimal hearing protection: Superior comfort, noise isolation, and sound quality. Replacement Eartips are sold as individual packs that include five pairs of eartips.