TV Ears 5.0 User Manual page 18

Troubleshooting
Will the lights change colors once the headset is fully charged?
No, the charging light will remain a constant color as long as a
headset is placed in the charging cradle. We recommend keeping
the headset in the charging cradle when not in use. The headset
cannot be overcharged, so leaving it in the charging cradle when
you are not using it will not damage the headset.
What is the lifetime of the batteries?
The rechargeable battery is designed to last between 1 - 2 years
depending on usage.
What does 2.3MHz mean?
2.3MHz is the frequency of the infrared signal that is sent by the
transmitter to the headset. Infrared signals are invisible light
signals and are not disturbed by electrical storms.
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