【Physical Mosquito Repellent】 The bracelet uses bionic waves, which can effectively repel 70%-80% of mosquitoes. Various effective sound wave frequencies are written into the chip to repel mosquitoes. Physical repellency effect is remarkable【Remove the strap]】The detachable mosquito repellent strap can be separated, and it can be used alone without a strap. The side is made of high-grade pearl powder material, which is comfortable to handle【Dustproof and Waterproof】It can effectively prevent water washing (not directly immersed in water) when washing your hands in the rain to avoid damage, help protect the bracelet, you don't have to worry about water entering the bracelet when it rains【Wearing a lanyard】is safer, safer, more environmentally friendly and healthier for the elderly, children and pregnant women【Wide Use】Whether you are camping, fishing, hiking or shopping in the park, the smart mosquito repellent bracelet is the best mosquito repellentSpecification:Product Name: Ultrasonic Mosquito Repellent WatchProduct material: siliconeProduct function: Ultrasonic mosquito repellentProduct input: 5V/1AProduct output: 34Hz-70KHzCharging time: about 30 minutesService life: 150 hours