1. Take earbuds out of charging case.
2. Manually turn off earbuds by tap & hold
3. Tap & hold both earbuds for 10 seconds (solid white LED lights will turn on)
4. Double tap both earbuds within 20 seconds* (white LED lights will flash)
5. Put earbuds back into the charging case and close the lid.
*Earbuds will power off if there is no action within 20 seconds.
Below is the link for a video demonstrating above reset process: