Mosquito Repellent Bracelet M1 Portable Ultrasonic Physical Mosquito Repellent Bracelet USB Rechargeable (Black)

Pure physical mosquito repellent: not a chemical repellent, safer, more assured, more environmentally friendly and healthier.
Old people, children, pregnant women and pets can wear them.
Portable design: can be worn indoors or outdoors (seaside, park, camping, hiking, fishing).

Fast charging, standby for a long period of battery life.
The principle of mosquito repellent: the bracelet achieves the mosquito repellent effect by imitating the sounds that female mosquitoes do not like, such as the sound of male mosquitoes and dragonfly.

Color:black
Note:
In nature, blood-sucking mosquitoes are female mosquitoes, and they are all in the stage of conception. At this stage, female mosquitoes will avoid male mosquitoes and avoid secondary pregnancy. Therefore, the sound of the male mosquito can be simulated to achieve the mosquito repellent effect.
Specification:
Product model :M1
Function : Ultrasonic mosquito repellent
Input: 5V/1A
Output: 34Hz-70KHz
Battery capacity: 90mAh
Charging time: about 30 minutes
Life time: 130 hours
Product color: black
Package List:
1 * Bracelet
1 * Instruction manual
1 * USB cable