[Physical Mosquito Repellent] This bracelet uses bio-imitation technology to repel 70%-80% of mosquitoes. It emits various sound wave frequencies for effective protection without chemicals. [Detachable Strap] The strap can be removed for standalone use. Made with premium pearl powder material for a comfortable fit. [Water-Resistant] Resists water splashes and rain (not submersible), protecting the bracelet from damage. Safe for daily use. [Safe & Eco-Friendly] Ideal for all ages, including children, seniors, and pregnant women. Non-toxic and chemical-free. [Versatile Use] Perfect for outdoor activities like camping, hiking, fishing, or park visits. Specifications: - Name: Ultrasonic Mosquito Repellent Watch - Material: Silicone - Function: Ultrasonic mosquito repellent - Input: 5V/1A - Output: 34Hz-70KHz - Charging Time: ~30 minutes - Battery Life: 150 hours