How to Use in AUX Mode? - Slumber

When you turn on the Slumber, it will automatically enter AUX mode if the Slumber is connected to an audio output device (such as your phone, computer, or tablet) with a 3.5mm AUX cable. If not, tap the MP3/AUX button twice to swap from Bluetooth mode or once to swap from MP3 mode.

NOTE: The and  buttons do not work in AUX mode.