DescriptionIt is a new generation of ultrasonic mosquito repellent bracelet. The anti-mosquito bracelet is made of safe materials, environmentally friendly, and safe to use. The strap is designed with holes and is adjustable. Can be used for outdoor and indoor.Features- Color: Black. - Material: Silicone. - Size: 29.6 x 3.1 x 1.5 cm/ 11.65 x 1.22 x 0.59 inch. - Input: 5V/1A. - Output: 34Hz-70KHz. - Charging time: About 30 minutes. - Endurance working time: 150 hours. - Waterproof: IP65. - The anti-mosquito bracelet is made of premium materials, environmentally friendly, and safe to use. - The strap is designed with holes and is adjustable. - The anti-mosquito bracelet is very lightweight and durable, so you can carry your bracelet with you, so that you can say goodbye to those nasty mosquitoes and provide you with long-term protection. - Anti-mosquito bracelets have a wide range of applications for outdoor and indoor, sit-in fishing, parks, summer camps, hiking, and to prevent those annoying mosquitoes. - This is the best gift for family and friends.