This is Communication Accessory manufactured by 3M PELTOR. The manufacturer part number is MT67H05WS6-EU. It comes in bluetooth configuration.

3M PELTOR Communication Accessory

Manufacturer:

3M PELTOR

Manufacturer Part No:

MT67H05WS6-EU

Enrgtech Part No:

ET20147639

Warranty:

Manufacturer

£ 61.00

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For Use With:

Noisy Environment, 3M X Series Earmuffs

Type:

Bluetooth

Datasheet(Technical Reference)

Contains SVHC - 1,3-propanesultone - CAS No. 1120-71-4(Technical Reference)

3M Hearing Protection and You(Technical Reference)

Peltor X-Series Datasheet(Technical Reference)