The M21 Ultrasonic Mosquito Repellent Bracelet functions as a mosquito repellent, electronic watch, sports step counter, and temperature measurement device. It uses sound imitation to repel mosquitoes and is suitable for everyday use.
Product type: Repellent Wristband
Compatibility: Mosquitoes
Material: Not specified
Color: Black
Function: Mosquito Repellent, Electronic Watch, Sports Step Counter, Temperature Measurement
Principle: Repels mosquitoes by imitating sounds that female mosquitoes avoid
Pure physical mosquito repellent, not chemical repellent
Safe for elderly, children, pregnant women, and pets
Temperature detection requires wearing for more than five minutes
Charging interface: micro 5V/1A
Three-speed frequency conversion
Battery capacity: 200mAh
Size: Strap length 260mm, width 22mm
Note: Effectiveness may vary based on mosquito species
