电子耳罩 EF300 ABS

型号EF300材质ABS连接线无颜色自定颜色规格13*13*10品牌OLYGA噪音降低率28（分贝）

电子防噪音防护耳罩 ef300 www.olyga.com@139.com

1.electronic ear defenders protect theears against noise levels higher than 85db..2.solidstate circuitry allows normal speech and sounds to be heard butautomatically deadens any noise above 85db.3.on/off switch with adjustable volumecontrol.4.auto-adjust headband.5.uses2xaaa batteries (not included)6.providing approx. 200 hours ofuse.7.color: yellow(transparent) , black(transparent) ,red.8.innerpackage : colorful box or double blister