Electronic Earmuffs

型号EF3032材质ABS连接线无颜色自定规格18*14*10品牌olyga噪音降低率27（分贝）

ef3031/ef3032 electronic earmuffs ef3031耳罩一个咪头、 ef3032两个咪头。@139.com戴其和

耳罩盖有客户自己选，有三款。

1.electronic eardefenders protect the ears against noise levels higher than85db..2.solid state circuitry allowsnormal speech and sounds to be heard but automatically deadens anynoise above 85db.3.on/off switch with adjustablevolume control.4.auto-adjust head band.5.uses4xaaa batteries (notincluded)6.providing approx. 200 hours ofuse.7.color : yellow(transparent) ,black(transparent) , red.8.inner package : colorful boxor double blister