Letsfit U8i User Manual page 8

4) Enter "0000" or "1234" if your Bluetooth device
asks you to enter a code to pair.
Notes:
● When the headphones are on but not paired
with your Bluetooth device, they will be
automatically off in about 5 minutes (to enter
pairing mode again, turn on the headphones).
● The headphones will directly enter pairing
mode the first time you turn them on, and
each time you turn on your headphones, they
will automatically connect to your last
successfully connected device if available
within the Bluetooth range.
● To have the headphones enter the pairing
mode when they had been paired with a
Bluetooth device, turn off the headphones and
press and hold the MFB button for 5 seconds
(indicator flashes red and blue alternately).
Headphones functions
Function
Play / Pause
Volume up /
down
Previous / Next
track
Press the MFB button
Press the Volume + / Volume - button
Press and hold the Volume - / Volume +
button for 1 second
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What to do