Features: 1. Pure physical ultrasonic mosquito repellent, no chemical additives, no radiation, no odor, completely safe for the elderly, pregnant women, children, and pets. 2. The power is turned on as first gear, suitable for daily indoor use. Press again for the second gear, suitable for outdoor sports and activities, press for the third gear, switch to silent mode. 3. This mosquito bracelet is stylish, lightweight, high-end technology, suitable for birthday gifts, mothers day and fathers day gifts. 4. Whether you are indoors or camping, fishing, hiking, sports, barbecue are very suitable, can protect you and your loved ones Protect yourself from mosquitoes and enjoy the perfect summer. 5. This rechargeable mosquito repellent wristband uses skin-friendly material , which does not produce any odor or harmful substances.Notice: *Actual color may be slightly different from the image due to different monitor and light effect *Please allow 1-3cm deviation due to manual measurement : Size: 12.5*31*25cm includes: 1 set x Mosquito Bracelet