Black mosquito repellent bracelet, USB rechargeable ultrasonic waterproof mosquito repellent watch for indoor and outdoor use, for adults and children

General Description: This black mosquito repellent bracelet is designed to effectively repel mosquitoes while being non-toxic and environmentally friendly. Made of soft silicone, it is odorless and free of added chemicals, making it safe for babies and adults. The adjustable strap fits most users, providing optimal comfort. Technical Specifications: Material: Soft silicone; Charging: USB, 30-minute fast charge; Battery life: 30 days standby; Uses: Over 130 times on a full charge; Time display function: Yes; Usage: This bracelet offers multiple usage modes to meet your needs: Indoor mode: Press the power button once; Outdoor sports mode: Press twice; Silent mode (suitable for sleeping): Press three times; Power off: Press four times; Time display: Click the time display button