•Intelligent ultrasonic mosquito repellent bracelet •Pure physical mosquito repellent, green Fast charging, standby for a long period of battery life •Simulate specific sound frequencies and remove mosquitoes •Efficiently drive 70% to 80% of mosquitoes •The bracelet rings through the hateful sounds of the female square mosquito, such as the male mosquito, the sound of the dragonfly, and the mosquito repellent effectCan work for 130 hours,standby for 1 month,long-term battery life•Does not contain any toxic chemicals•Long-term mosquito repellent Bracelet•Pure physical mosquito repellent, free of chemical drugs, safer and more environmentally friendly•Old people, children, pregnant women and pets can be worn, easy to carry, indoors and outdoors (seaside, park, camping, hiking, fishing, etc.) Specifications:•Input: 5V/1A •Output: 34Hz-70KHz •Charging time: about 30 minutes •Life time: 130hNotes: Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Compare the detail sizes with yours, please allow 1-3cm error, due to manual measurement. Package included:•1 x Bracelet •1 x Charging cable •1 x Manual