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FP3670  rev

. a

3M Svenska AB

Box 2341

SE-331 02 Värnamo, Sweden

t: +46 (0) 370 65 65 65 

f: +46 (0) 370 65 65 99

To obtain maximum noise cancellation the microphone must be kept close to the lips at a 

distance of 3-5 mm (1/8”).

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