M21 Ultrasonic Anti Mosquitoes Wrist Band, Anti Static Electricity Smart Watch Clock

🔥3 Modes for Any Setting: Sleep, Indoor, Outdoor

🔥Fast 30-Min Charge | Up to 150 Hours Runtime

🔥100% Chemical-Free & Safe for All Ages

🔥Waterproof, Skin-Friendly, and Always Ready

Inverter mosquito repellent: bracelet forms a protective barrier by emitting sound waves with variable frequency, with three frequencies, suitable for different environments, makes them uncomfortable and stays away to achieve the effect of repelling mosquitoes.

Humanised design: mosquito repellent bracelet can also be used as an electronic watch to display the time. It is equipped with a soft and skin-friendly silicone strap that can be adjusted in length to comfortably fit the size of the wrist.

Save time and energy: ultrasonic bracelet, built-in smart chip, USB fast charging, only requires 30 minutes of charging time, can continue working for a week to meet a long-term need for mosquito repellent.

Safe and reliable: Pure physical mosquito repellent bracelet, non-toxic and harmless, healthy and environmentally friendly, very suitable for children, adults and the elderly.

Use anywhere: Anti-mosquito bracelet effectively repels mosquitoes, can protect you and your family from mosquito bites all day long, whether indoors or outdoors, at home, office, camping, hiking, fishing, etc.