Huawei FDS-B19 Quick Start Manual page 8

Remove
1 1 2 2
Rotate the ear tip
Align the ear piece
counter clockwise.
with the unlock line.
7. Getting help
View the online help in the Huawei Health app for more information about connection and functions, as well as usage tips.
3 3 1
Gently
Line the ear tip up
pull up.
with the unlock line.
4
Replace
1 2 2
Rotate the ear
tip clockwise.
3 3
Align it with
the lock line.