1pcs new summer electronic ultrasonic mosquito repellent bracelet outdoor mosquito repellent silicone bracelet bluetooth phone call

product name Ultrasonic mosquito repellent watch product model M30 function Acoustic mosquito repellent input 5V/0.5A output 34Hz-70KHz battery capacity 80mAh Charging time About 30 minutes Endurance working time 150 hours Product color Black, white, blue and pink. Single package size 32*52*78mm Weight of the whole machine (including packaging) 36.5g Mosquito repellent principle The bracelet can repel mosquitoes by imitating the annoying sounds of female mosquitoes, such as the voices of male mosquitoes and dragonflies. In nature, all blood-sucking mosquitoes are female mosquitoes, and they are all in the stage of conception and spawning. At this price range, female mosquitoes will avoid male mosquitoes and avoid secondary pregnancy. Therefore, imitating the voice of male mosquitoes can achieve mosquito repellent effect. Product features Pure physical mosquito repellent, not chemical mosquito repellent, is safer, more assured, more environmentally friendly and healthier. It can be worn by the elderly, children, pregnant women and pets. The portable product can be worn indoors and outdoors (seaside, park, camping, mountaineering and fishing).

Note: the chargINg port is in the position of in. As shown in the figure: