IsoTunes Wireless Link 2.0 Safety Earmuffs with Bluetooth Primary Material_Aluminum Alloy flow meter and warning whistle

flow meter and warning whistle for temporary and continuous monitoring of the air flow are included

The 523 Breathable Jacket is 30" long and has an elastic waist

Fits beam flanges from 4" to 18" wide and up to 1-3/4" thick

Contoured padding adjusts to shape of your shoulder to minimize fatigue

longer design for improved resistance to impact and splash hazards

IsoTunes Wireless Link 2.0 Safety Earmuffs with Bluetooth Primary Material_Aluminum Alloy flow meter and warning whistleUnleash the Full Potential of Earmuffs with LINK 2. 0 the Ultimate Bluetooth Upgrade! Experience unrivaled comfort with a padded headband cushion, enjoy extended listening with up to 50 hours of battery life, and communicate effortlessly with a *boom microphone for crystal clear calls. Discover the new and improved version of our best selling earmuff, designed to revolutionize your daily routine. *Boom Microphone sold separately. Link 2. 0 Safety