The charger case with battery inside, same as original one, can take everywhere . Additional function is that it supports wireless charging. Put the charger case on wireless charger, can charge your charger case. Put your airpods in the charger case, put and charge, simply and easily to use.
Led Indicator light:
a : charge charger case , red light is flashing; Full charged, red light will be always on.
b: charge airpod earbuds , green light is flashing; Full charged, green light will be always on. Charging time: about 20 minutes (charge airpods) Charging time: about 30 minutes ( charge charger case)NOT Including the Earphones