3M WS Alert XP Wireless Speak & Listen Electronic Ear Defenders with Helmet Attachment, 30dB, Noise Cancelling

3M WS Alert XP Wireless Speak & Listen Electronic Ear Defenders with Helmet Attachment, 30dB, Noise Cancelling, Product Weight: 431g, Colour: Black, Bluetooth: Yes, MPN: MRX21P3E2WS6