<p>4-piece magnetic kitchen timer with large LCD display for cooking, learning, loud alarm and countdown timer</p><p>Ultrasonic technology: Using biosound waves (ultrasonic + bionic waves), the double wave ring overlaps the reading, which can imitate the sound of female mosquitoes (male mosquitoes and cockroaches) to achieve the effect of mosquito repellent.</p><p>/p></p><p>Safety: Our electronic mosquito repellent bracelet uses ultrasound to create pure physical mosquito repellent, does not contain chemical ingredients, is safer, more environmentally friendly, safer, and healthier. It can be worn by the elderly, children, pregnant women, and pets.</p><p>USB charging: Rechargeable mosquito repellent bracelet, built-in smart chip, USB fast charging, charging for 30 minutes, standby for 30 days, use for 150 hours, save time and power, and effectively avoid more than 90% of mosquitoes. </p><p>Three modes: press the switch once to activate indoor mode; press again to switch to outdoor sports mode; press a third time to activate Wide range of uses: Whether you are camping in the park, fishing, hiking or jungle exploration, this smart mosquito repellent is the best mosquito repellent formula in the jungle, can be used as a baby float or adult waterproof cape, can be worn on the crib, can be used as a camping chair for children or toddlers, swimming aid, high-quality surfboard. Accessories. </p>