Personal protection active noise reduction and sound insulation earphones are used in long-term noise special operation environments such as shooting training fields and large-scale mechanical processing workshops. They are personal protection active equipment and are equipped with intelligent active noise reduction modules. With high-resolution directional sound pickup microphones, environmental noise greater than 82 decibels can be greatly reduced to the acceptable range of human ears without affecting the listening of people around them. It has Bluetooth communication intercom function.
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Wow, you did it very seriously. Did a virgin do it!?
Is camouflage given by maps?
Great work!
This is the kind of earphone that I usually see when practicing Q