The reminder light of the first generation of YOOZ is only white, while the second generation of YOOZ adds green and red LED lights, changing from a one-color light to a three-color light, which undoubtedly changes the look and feel. Even better, the white light indicates 60%-100% power, the green light indicates 30%-60% power, and the red light indicates less than 30% power. When the red light flashes 10 times during use, it reminds you that it is time to charge; When YOOZ first generation is charging, the white light is always on, while when YOOZ second generation is charging, the LED light will flash on and off to show that it is charging. When it is fully charged, the display light will automatically