Double speaks have been equipped with face shield to allow effective communication between bearers and others in and out of working venue.
Double speaks have been equipped with face shield to allow effective communication between bearers and others in and out of working venue.
面罩内设置了双重传声器，以其特殊设计令佩戴者有清晰的通讯效果，确保了作业场所的内外交流，提高了工作效率。