Description: Description A new generation of ultrasonic mosquito repellent bracelet, the addition of LED time display function. The anti-mosquito bracelet is made of safe materials, environmentally friendly, non-toxic safe to use. The strap is designed with holes is highly flexible for all ages. Mosquito Repellent Bracelet is colorless, odorless, chemically free, mimicking the wings of male mosquitoes, resisting female mosquitoes, scientifically designed to promote your life. The anti-mosquito bracelet is very lightweight durable, so you can carry your bracelet with you, so that you can say goodbye to those nasty mosquitoes provide you with long-term protection. USB charging, durable to use. Anti-mosquito bracelets have a wide range of applications for outdoor indoor, sit-in fishing, parks, summer camps, hiking, to prevent those annoying mosquitoes. This is the best gift for family friends. Specifications: Specifications: Model: M2 New function: LED time display Product Name: Ultrasonic mosquito repellent bracelet Function: Ultrasonic mosquito repellent Applicable age: 3 years old or older Waterproof: waterproof Input: 5V/1A Output: 34HZ-70KHZ Battery capacity: 90mAH Charging time: about 30 minutes Life time: 130 hours The principle of mosquito repellent: the bracelet rings to imitate the sounds of female mosquitoes, such as the sound of male mosquitoes cockroaches, to achieve mosquito repellent effect. In nature, blood sucking are female mosquitoes, they are all in the stage of conception, in this price range, Female mosquitoes will avoid male mosquitoes avoid secondary pregnancy. So the sound of male mosquitoes can reach the mosquito repellent effect. Features: Pure physical mosquito repellent, not chemical repellent, safer, more assured, more environmentally friendly, healthier. Old people, children, pregnant women pets can be worn. Products can be worn indoors outdoors (seaside, park , camping, hiking, fishing). Package Included: 1 x Mosquito Repellent Bracelet 1 x USB charging line 1 x Manual