If your earbuds are not charging, please follow the below steps.
1. Check if there is any dirt on the stem of the earbud or in charging case at the charging pin.
2. Lightly shake the charging case to ensure the earbuds and the charging pin are connected.
3. Put the earbuds into the charging case and connect to a charger for 10 mins.
4. Open the case and long press the pair button for 10 seconds to reset. Wait until the notification light is on and try again.