occiam K23 - Factory Restore Setting; How to reset?

Factory Restore Setting
When should | reset?
When only one side plays music.
When you can’ t use the two earbuds together.
When both earbuds fail to pair with each other or occur
connection related issues.
How to reset?
Step 1: Deactive the Bluetooth setting of all devices nearby the
earbuds.
Step 2: Pick up two earbuds from charging case, the earbuds
will power on automatically.
Step 3: Turn off both earbuds manually.
Step 4: Long-press 10 seconds on the button of one earbud
until the earbud led indicator flash 5 times quickly (If you wear
the earbud, you will hear voice prompt “power on > di di di>
power off” ), then the earbud will power off, that means
resetting finished.
Step 5: Repeat step 4 to reset another earbud.
*Note: After resetting, the pairing record between the earbuds
and all your devices will be cleared. In case there is any
unsuccessful message in your devices, please consider to
delete historical record of K23, and try the pairing process
again.