3M HT52P3E-112 Peltor? CH-3 Listen Only Earmuffs, Cap Mount Style, 25 dB – Each

Hearing protection solution with clear audio reception in noisy environments
FLX2 connection jack for easy and reliable connection to a wide assortment of handheld devices
Lasting comfort for long duration wear times
Designed to withstand harsh environmental elements
Audio speakers are optimized for speech frequencies and meet the efficiency demands of many of today’s digital devices
Bright yellow colour for enhanced visibility
Flexible yet sturdy hard hat attachment design adapts to a wide variety of head shapes and sizes, and fits most slotted hard hats