M90 Ultrasonic Mosquito Repellent Bracelet

The M90 ​​Ultrasonic Mosquito Repellent Bracelet. It uses ultrasonic technology to emit sound waves that repel mosquitoes without the use of chemicals. The bracelet is designed to be safe for all ages, including children and pregnant women. It is rechargeable, with some models providing up to 150 hours of battery life after a 30-minute charge. The device is portable and designed for use during outdoor activities, such as camping and hiking.