New design ultrasonic mosquito repellents bracelet Protect against mosquito bites

1. Male mosquitoes because of stomatal degeneration, can not puncture the skin of the host, it can only be the natural plant juice for food. By the breeding season, mosquitoes themselves can not produce protein, and mosquitoes can ingest animal blood in order to obtain protein for reproduction.
2. The "spawning period" of female mosquitoes afraid of public mosquitoes, because it already pregnant with fertilized eggs and therefore will avoid encounters with mates and mating, but because of the mosquito during this period need to add blood, blood, So mosquito repellent to simulate the vibration of the public mosquito wings can mosquito avoidance.