nrr:35db
features:
1.new technology with double casing that minimises resonance in the holder casing,to more easy to understand speech and signals.
2.the sealing rings are broad and filled with soft plastic foam for the best fit and low contact pressure
3.good inner space for ear.
packing:1pc/box,20pcs/ctn
size:49*28*39cm
本产品的品牌是金海纳,型号是EM-5002A,类型是耳罩,材质是ABS,连接线是无,噪音降低率是35(分贝),颜色是可定制颜色