Sony LSPX-S1 Help Manual page 24

Note
When an audio cable is connected to the speaker's AUDIO IN jack while the speaker and the BLUETOOTH device have been connected via
BLUETOOTH connection, sound from the BLUETOOTH-connected device is not output from the speaker. To listen to music from the BLUETOOTH
device, disconnect the audio cable from the speaker's AUDIO IN jack.
If your smartphone is a type that goes into standby mode in response to magnetic force, it may not be able to connect by NFC.
Related Topic
How to make a wireless connection with BLUETOOTH devices
Disconnecting the NFC-compatible device by One-touch (NFC)
Switching devices by One-touch (NFC)
Listening to music of a device via BLUETOOTH connection
Terminating the BLUETOOTH connection (after use)
4-580-768-11(2) Copyright 2016 Sony Corporation
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