Out Of Range; Lg Tone Free App - LG TONE-FP9E Owner's Manual

Out of Range

If the device connected to the product is out of effective communication
range, the communication signal becomes weak and the communication
is lost. The effective communication range may vary depending on
surrounding and other conditions.
If the device comes back within effective communication range, the product
automatically reconnects to the device. If the device is not automatically
reconnected, touch the left or right earbud once to connect them.

LG TONE Free App

If you install the "LG TONE Free" app, you can use Check Earbud Battery,
Voice Alert, Change Equalizer Mode, Check Last Connected Location
Information, and Find My Earbuds functions. Check out the app for more
details.
To install the "LG TONE Free" app, search LG TONE Free in the Google Play
Store or App Store or scan the QR code below.
It supports Android 7.0 or higher and iOS 11 or higher.
Google Play
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App Store