The fast wireless charger allows you to charge your device at a higher charging speed which up to 1.8X faster than standard wireless charger.Don't fumble with your phone case. Inductive charging directly through protective cases up to 6mm/0.23inch thick (not including cases with magnetic or metal attachments).
When the power is on, the indicator light will be turn on green light for 20 seconds automatically turn off If the charging device is not detected in 20 seconds,In standby,When you put mobile phone or earbuds on to charging. The weak blue light flashes slowly until it is fully charged. The weak light will not affect your sleep.