Power Button Press the button once to power on.Press the button twice to power off. Power indicator 0%~25%: 1 indicator is on25%~50%: 2 indicators are on50%~75%: 3 indicators are on75%~100%: all of 4 indicators are on Portable Apple Charger Compact and lightweight design, you can easily put this Apple watch charger in your pocket or backpack.
eBay