When the TWS1 earbuds are taken out of the case, the lights on the earbuds will turn white, indicating that they are powered on. Once the earbuds are placed back into the charging/carrying case, the lights will turn orange, indicating that they are off and currently being charged. TWS1 earbuds will automatically power off and start the recharging process when they're put in the case. The LED light on the earbuds will show orange while charging, and the lights will turn off when they're fully charged.  The charging case can also be charged separately. The indicator light on the case will flash slowly while charging, and the light will be off once it's fully charged. If the charging case is out of battery, it won't charge the TWS1 earbuds.