国产亚洲高清成人无码在线观看_男人天堂av日韩_国产在线精品一区二区夜色还会玩转热点_50岁经典露脸老熟女_美女裸身黄色网站_偷拍日韩AV电影_国产精品嫩草影院永久在_国产精品无码一区二区三级在线_亚洲国产黄片观看_成人免费视频网站www

? Skull conduction communication The headset is a small, lightweight communication unit dedicated to hazardous environments that uses high-sensitivity vibration sensors to collect vocal cords that reach the skull and convert the vibrating bow into a sound signal, unlike other traditional headphones, which place a thin waterproof bone guide vibration sensor on your head

? Thanks to its unique arm Shi design, it can be easily and securely mounted in a few hands of all standard helmets and masks without the use of any tools, without affecting the use of other protective equipment such as breathing masks.

Product Features:

? Bone guide, dust-proof microphone:

? Helps improve personal safety:

? Does not affect the use of protective equipment such as masks, masks, helmets, etc.;

? Unique arm/Lock design knife flat suitable for all models of helmets

? Strong noise environment, can still be very clear to speak and listen;

? Durable waterproof, good feel, ergonomic design;

? Waterproof, temperature-resistant, acid-alkali, is the military, law enforcement, fire, rescue, as well as industry need to wear helmets, perform special tasks when the ideal, vertical letter tools.