Specification：
Product name: ultrasonic mosquito repellent watch
Product model :M20
Function: Ultrasonic mosquito repellent. Electronic clocks. Temperature measurement
Input: 5 v / 1 a
Output: 34 hz - 70 KHZ
Battery capacity; 90mAh
Charging time: about 30 minutes
Operating time: 150 hours
Color: black. White. pink
Single package size: 45*60*100mm
Packing List：
Bracelet*1
