Can I use the Bluetooth function even when not connected to a network?

To use the Bluetooth function, Wi-Fi connection must be established. 
The speaker must be connected to a network for setup, so please use it while connected to a network.
After completing setup, perform Bluetooth pairing and connection.

For LF-S50G:

•  If network connection shuts off after initial setup, connection and playback via Bluetooth are possible. However, the speaker will power off one hour later.