Letsfit T13 User Manual page 11

Activate voice control of phone
Tap the touch button three times when the earbuds are
connected to your phone. And tap the touch button
three times again to exit. (This function works only
when your phone has voice control function; please
refer to the instructions of your phone for details.)
Primary/Secondary mode
These earbuds have primary-secondary switch function.
● When the earbuds have been connected to a
Bluetooth device, take out either of the two earbuds,
it can be connected and used normally. During this
period, you can take out the other one and they will
pair with each other so you can use both of the
earbuds.
● When both earbuds are connected to your phone,
no matter which one is put back to the charging
case, you can use the other one without interruption.
Clear the earbuds pairing list
Tap and hold the touch button on both of the earbuds
for approximately 15 seconds.
Clean the earbuds and charging case
Clean the earbuds and charging case only with a dry,
soft cotton swab or equivalent.
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