The control buttons are located on the top of the speaker. The following describes each button and its functionality.
Power: press to turn the speaker on or off. Press and hold to check the battery charge state
Mute: press to mute/unmute sound from the speaker
Minus (-): decreases speaker volume. Press and hold to continuously decrease the volume
Plus (+): increases speaker volume. Press and hold to continuously increase the volume. The source indicator blinks as the volume increases or decreases. When the source indicator blinks twice, the maximum or minimum volume has been reached
Bluetooth®: press to select the Bluetooth source. The speaker attempts to connect to the last paired device. Or, if there are no paired devices, the speaker goes into discoverable mode. Once Bluetooth is selected, press again to set the speaker to discoverable mode and allow pairing with another Bluetooth device. Press again to go back to connecting mode. While the Bluetooth source is selected, and no device connects within five minutes, the speaker turns itself off
AUX: press to select the source connected to the AUX input