3M PELTOR H7A HV-PTL one-push-to-list earmuffs with
unique one-push-to-listen design, users dont need to take off the earmuffs, just press the button to hear a clear sound, 30 seconds later, the earmuffs Automatically return to the normal noise prevention level. It can effectively avoid the hearing loss caused by workers taking off the earmuffs in the working environment.
Packing: 10 pcs/carton
high visibility, convenient for night or dark work and
wearing comfortably, effectively reducing noise.
1 AA battery is included. Easy to replace.
Tips: NRR: Single value noise reduction value tested in accordance with the American standard ANSI S3.19-1974.
SNR: Single value noise reduction tested in accordance with the international standard ISO 4969-2.
Instructions for use
1. Stretch the headband to the maximum “open” position and cross the top of the head to cover the ears;
2. Relax the headband and adjust the height of the cup until the headband can support the cup, and The
earmuffs feel comfortable; 3. The soft cushion of the earmuffs should fit the head tightly.
4. Adjust the headband to ensure correct tightening and effectively isolate the noise.
PELTOR H7A PTL: One-click to listen to the headset 10 pairs/ box