Letsfit U8i User Manual page 9

Call functions
Function
Answer / end a call
Reject a call
Redial the last
number
Activate Siri or
other voice
assistant software
Reset the earbuds / clear all pairing
information on the earbuds
1) Connect the headphones to a power source
for charging.
2) Press and hold the MFB button for 5 seconds
until you hear a "Du" sound.
What to do
Press the MFB button
Press and hold the MFB button for
1 second
Press the MFB button twice
Press and hold the Volume + and
Volume - button simultaneously
for 1 second
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