1. Proved to be effective after testing:This smart mosquito repellent bracelet produced by QU.SBEARY has been tested and proved to be effective.2. The most intimate gift:This anti-mosquito bracelet is stylish, lightweight, high-end technology, suitable for birthday gifts, mother's day and father's day gifts, whether you are indoors or camping, fishing, hiking, sports, barbecue are very suitable, can protect you and your loved ones Protect yourself from mosquitoes and enjoy the perfect summer3. Physical mosquito repellent watch: Ultrasonic wave, bionic wave, intellegent chip, all-round protection. 4. Suitable for many occasions: Riding outside, running outside, working outside, climbing, travelling sleeping and so on. 5. One charge, 10 days of battery life: Built-in aluminum polymer battery, intelligent chip, and power optimization management system, power consumption saving 60%, guiding a new concept of scientific mosquito repellent.