3M WS Alert XPI Wireless Speak & Listen Electronic Ear Defenders with Headband, 30dB, Noise Cancelling Microphone [MRX21A3WS6]; 184-8311
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| .THÔNG SỐ KỸ THUẬT: | |
|---|---|
| Series | WS Alert XPI |
| Attachment Type | Headband |
| Single Number Rating SNR | 30dB |
| Product Weight | 411g |
| Bluetooth | Yes |