5
The charging case supports USB cable charging and wireless charging.
The way of charging for the charging case as following:
Using USB cable
1) Plug the Micro USB charging cable into the case’s charging jack.
2) Plug the USB cable into a USB port of PC or a 5Volt USB charge.
Wireless charging
1) Connect the wireless charger to the power cable. (some wireless
chargers with built-in batteries may not need to be connected to the
power cable)
2) Put the charging case in the center of the wireless charger as far as
possible for the most efficient charging.
White LED ashes: Charging
White LED on: Finish charging
3) Charging should be completed in roughly 1.5 hours. When using
wireless charging, the charging time will be slightly longer.
4) If the earbuds are in the charging case, it can charge the earbuds
while charging the charging case.
BTW-Pro