LG TONE Free T90 Owner's Manual page 18

Disconnecting with a USB audio device
a Push the Plug and Wireless mode switch to the left.
b The indicator on the charging case blinks blue.
c When disconnected, it is reconnected with the device with which has been previously connected.
• If you cannot find a device which has been previously connected, it enters the Connectable mode.
Note
• When connected with a USB audio, it supports the call function and is displayed as TONE-T90QC on the USB
audio device.
• If you use the product for a long time, the use time (including the charging case) may be shorter than when
connecting and using a smartphone.
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