3M E-A-R UltraFit Earplugs 340-4044, Corded, Paper Bag, 400 Pair/Case Cable Length_20 ft Rechargeable electronic earplugs help reduce

Rechargeable electronic earplugs help reduce loud noise while amplifying low-level sounds

Frequency Bands: 698-960 / 1710-2700 / 2400-2485 / 5150-5875 MHz (cellular/WiFi)

Why the Orange Fitting Ring Matters:

This frequency range provides excellent propagation characteristics with good building penetration

3M E-A-R UltraFit Earplugs 340-4044, Corded, Paper Bag, 400 Pair/Case Cable Length_20 ft Rechargeable electronic earplugs help reduceNote: This product has been discontinued by the manufacturer, 3M Corporation. Shop Suggested Replacement 3M E A R UltraFit Earplugs Reusable Triple Flange Design The UltraFit revolutionized hearing protection with its no roll, triple flange design that provided quick, clean, and comfortable protection without the need for foam compression. Why UltraFit Was Different: No Roll Design: Premolded triple flange design no rolling before fitting required