亚洲欧洲日产国码高潮αv_91精品亚洲日本午夜精品_国产青青色在线观看_国产三级免费精品_国产成年女人免费视频播放a_人妻少妇88久久中文_亚洲精品无码一级毛片_色欧美婬色视频在线播_亚洲精品国自产拍影院_国产5毛特效片直播

? 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.