Letsfit T20 User Manual page 7

Notes:
● Fully dry off the earbuds before charging.
● The earbuds will not be off and charge if
you don't close the charging case lid.
Therefore, please close the lid when
putting earbuds back for charging.
● When the earbuds have a battery
percentage of less than 10%, the earbuds
will give a voice prompt every 20 seconds.
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