Mosquito Repellent Bracelets, Ultrasonic Mosquito Repellent Bracelet Electronic Mosquito Repellent Wristband Band, Waterproof Travel Insect Repellent Bracelets for Kids Adults, C

【THREE MODES】: Press once to turn on the switch to start indoor mode; press again to switch to outdoor sports mode; press again for the third time to activate silent sleep mode; press the fourth time to turn off the device 【ULTRASOUND TECHNOLOGY】: Using biological sound waves (ultrasound + bionic waves), double-wave ring superimposed sound reproduction, it is possible to imitate the sound of female mosquitoes (male mosquitoes and cockroaches), thus achieving mosquito repellence. 【USB CHARGING】: Smart charging mosquito bracelet, built-in smart chip, USB fast charging, charging 30 minutes, standby time 30 days, using 150 hours, saving time and trouble, effectively avoid more than 90% of mosquitoes. 【Widely Used】: Whether you are fishing in jungle camping, hiking or shopping parks, the free deet smart mosquito repellent is the best jungle formula mosquito repellent as swimming float for kids or waterproof poncho for adults Wear it in sunbeds children's camping chair camping chair or children's swimming aids It is the basic children's bike accessories good body boards 【SAFETY】: Our electronic mosquito repellent bracelet, ultrasonic to create a sound barrier, pure physical mosquito repellent, chemical-free, safer, greener, safer, healthier, the old, children, pregnant women and pets can wear.