Product name: Ultrasonic mosquito repellent bracelet

Product model: YU-31

Function: Ultrasonic mosquito repellent

Input: 5V / 1A

Output: 34HZ-70KHZ

Battery capacity: 90mAH

Charging time: about 30 minutes

Endurance working time: 130 hours

Product color: black, white, black purple, white purple

Mosquito repellent principle: The bracelet achieves the effect of repelling mosquitoes by imitating the sounds that female mosquitoes hate, such as the sounds of male mosquitoes and dragonflies. Female mosquitoes will avoid male mosquitoes and avoid secondary conception. So the sound of male mosquitoes can achieve mosquito repellent effect.