M21 Ultrasonic Mosquito Repellent Bracelet functions as a mosquito repellent, electronic watch, sports step counter, and temperature measurement device. It operates by imitating sounds that female mosquitoes avoid, providing a physical mosquito repellent solution.
Product type: Repellent Wristband
Compatibility: mosquitoes
Color: White
Intended use: everyday use
Function: Mosquito Repellent, Electronic Watch, Sports Step Counter, Temperature Measurement
Principle: Imitates sounds of male mosquitoes and dragonflies
Pure physical mosquito repellent, safe for elderly, children, pregnant women, and pets
Temperature detection requires wearing for more than five minutes
