豪华型双层耳罩
型号：EM-5002A材质：ABS+尼龙颜色：根据客户要求包装：最小起订量：1000个
豪华型双层耳罩 SNR：35dB
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
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