TREBLAB X3 Pro - Connectivity Problems; Muffled Microphone

I can't connect Make sure that the TREBLAB X3 Pro
the earbuds to earbuds are charged.
my device
Muffled
microphone
Go to your device's Bluetooth menu and
delete all saved devices from the list by
tapping “Forget this device”.
Turn your device's Bluetooth OFF, then
turn it ON again: TREBLAB X3 Pro_L
and TREBLAB X3 Pro_R won't be on
the list of devices.
Restart your device.
Take the TREBLAB X3 Pro earbuds out
of the charging case, this will power them
ON.
Follow the instructions for connecting
(section “PAIRING’).
If the problem persists, try to reset
the X3 Pro to the factory settings by
following the instructions on the next
page.
Please check to see if there are
protective stickers on the charging