When the cap is open, you can talk to people or make phone calls while blocking out noise.
When used with the cap tightened, it can block out all noise from low to high frequencies.
It can be washed and reused. Model number: 6770
Specifications: With cloth cord
Quantity: 1 set (2 pieces)
Material: Earplug body: elastomer, grip: PP (polypropylene), cord: PE (polyethylene)
Noise reduction rating (NRR): Cap closed/24dB, Cap open/4dB
Carry case included
Compliant with JIS T8161 Type 1 (EP-1) (with cap closed)
