How to charge the TWS1-Pro?

Charge the earbuds

You may hear a warning tone when the earbuds are at a low battery level, please place the earbuds in the case for charging.

•  Charging time: around 1.5 hours for a full charging

Charge the charging case

•  Indicator steady lit = charging
  Indicator off = fully charged
•  Charging time: around 40 minutes for a full charging
• 

Indicator

• When the charging case is opened/closed, the indicator will show the case’s battery level;
  if the indicator flashes three times slowly: high battery level; if the indicator flashes twice slowly: medium battery level;
  if the indicator flashes once slowly: low battery level;
  if the indicator flashes three times rapidly: excessively low battery level, please charge the case in time.
  Input: 5V= 60mA(earbuds)
  5V 1.5A=(charging case)