USB Rechargeable: Experience the convenience of USB fast charging with our Ultrasonic Mosquito Repellent Watch. A quick 30-minute charge provides up to 6 months of standby time, and when fully charged, it can operate continuously for 7 days. Say goodbye to frequent charging and enjoy long-lasting mosquito protection. 3 Gear Switching: Tailor your mosquito defense to any environment with the 3 gear switching feature. Easily switch between modes with a single key to effectively repel more than 90% of mosquitoes. Whether you're indoors or outdoors, find the perfect setting for maximum comfort and protection. Adjustable Wrist Strap: Designed for universal fit, the adjustable wrist strap ensures comfort for everyone. Simply adjust it to your wrist size for a secure fit. Lightweight and portable, this bracelet also features a clock function, making it a practical and stylish accessory for any occasion. Safe to Use: Our ultrasonic insect wristband employs ultrasonic and physical methods to repel mosquitoes, ensuring no chemical additives, noise, or odor. It is completely safe for the elderly, pregnant women, children, and pets, providing peace of mind for the whole family. Versatile Application: Combining style with high-end technology, this anti-mosquito bracelet is perfect for any setting. Whether you're indoors or enjoying outdoor activities like camping, fishing, hiking, sports, or barbecues, it offers reliable protection. It also makes an excellent gift for birthdays, Mother's Day, and Father's Day, adding a touch of innovation to any celebration.