high performance electronic hearing protector for hunters and shooter

Name: high performance electronic hearing protector for hunters and shooter Model:EE1601   Features: A professional electronic hearing protector earmuff with outstanding features for shooters and hunters: 1. It can block  impulse noise from out side and minimises the risk of hazardous noise reaches to your ear and keep your hearing staying at a safe level--- Noise Reduction Rate 21dB 2. It can help you  hear weak but important sounds and allow you to focus on specific sound then indentify the sound direction at same time againsting lound sounds---Two inependent high frequency directional microphones offer 6 times amplification 3. Cut off immediately once detects ambient exceeding 82dB to stop harmful impulse ---  Independet and sensitive electronic circut 4. Small,compact and foldable design to allow user take along conveniently and  more easy---When folded,our earmuff is transformed into a ball shape 5. Light weight offers comfort wear for long periods--- 230 gram only 6. Provides further improve communication---3.5mm audio input jack to connect with walkie-talkie,cell phone... 7.Powered by 4 AAA batteries with over 200 hours lifetime 8.Padded ear cushion offers soft wear 9.Durable enough for use ---Stainless steel strip and strong ABS cups 9.Fits for all head sizes---adjustable headband   Attenuation Data:

Frequency HZ	125	250	500	1000	2000	3150	4000	6300	8000
Mean Attenuation(dB).	1.0	15.5	22.2	24.6	33.7	32.4	29	39	39.3
Standard Deviation(dB)	4.3	2.5	2.6	2.6	3.7	2.9	1.9	3.6	3.3

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