1.Core function upgrade:
New touch screen and LED flashlight added, retains ultrasonic mosquito repellent, electronic clock, and battery level display.
2.Scene adaptation and modes:
Three frequency adjustments (park, indoor, sleep).
3.Design and target users:
Hypoallergenic silicone wristband, multiple colors available, watch-style design.
4.Battery life and charging:
30-minute quick charge, battery life is about one week.