Follow these step-by-step instructions on how to factory reset the Belkin PAC003 earbuds:
Press and hold on both earbuds simultaneously for 6 seconds and then release.
Step 2:
Press and hold on both earbuds for 10 seconds and then release.
Step 3:
Return the earbuds to the charging case and close the lid.
Step 4:
Your earbuds' lights will alternately flash between blue and white to indicate that both are on pairing mode.