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SATA SS (Super-Soft) polyurethane material production, slow rebound, strong self-modeling property |
Bullet-shaped design comfortable to wear, sealing sound insulation effect is good |
High softness, can be easily pinched into the shape of the ear canal, long-term use of the ear canal without distension |
The surface of the anti-fouling treatment, wear health and safety |
Product No | FH0301 |
Standards | EN352 |
Package | 200 pairs/box,6 boxes/package |
Frequency [HZ] | 125/250/500/1000/2000/4000/8000 |
Sound Attenuation [dB] | 30.5/33.3/36.2/36.2/37.9/43.9/45.2 |
Standard Deviation [Db] | 6.3/7.9/7.0/6.7/5.1/4.1/4.7 |