Noise cancerling ear protection
Negotiable /Piece
Min.Order:1000 Pieces
Suzhou Oulijia Electronic Co., Ltd.
Noise cancerling ear protection
+Features
1.Electronic ear defenders protect the ears against noise levels higher than 85dB..
2.Solid state circuitry allows normal speech and sounds to be heard but automatically deadens any noise above 85dB.
3.On/Off switch with adjustable volume control.
4.Auto-adjust head band.
5.Uses 2xAA batteries (not included)
viding approx. 200 hours of use.
7.Color : yellow(transparent) , black(transparent) , red.
8.inner package : colorful box or double blister
+Instruction For Use:
When worn properly and given adequate care, this sound muffler provides excellent protection
by filtering out high frequency noise caused by machinery, motors, saws, and gunfire.
1.Extent headband to maximum “ open” position
and place the cups over the ears with the
headband passing over the head.
2. Settle the headband in position on the head
while adjusting the height of the ear cups up or
down until they feel comfortable and the
headband rests on the top of the head to
support the muffs.
3.Make sure that the headband is evenly
adjusted,left to right. The ear cushion should
be a snug fit against the head.
4.Make sure to get as little hair as possible
between he ear cushions and your head.
Muffs should be cleaned regularly with soap and
water
+Example:
1.The environmental noise level as measured at the
ear is 85 dBA.
2.The NRR is 28 decibels (dB)
3.The level of noise entering the ear is
approximately equal to 64.5dBA