The Sony SRS XB30 Bluetooth Extra Bass speaker has seven buttons across its top panel. E.g. Including the EXTRA BASS, PHONE-BATT, Play-Pause, ADD, Volume UP and DOWN, and Power-Pairing buttons. There’s also an NFC sensor just in front of the ADD button. Sony SRS XB30 Buttons: How Each Button Works Knowing how to use these allows … Continue reading Sony SRS XB30 Buttons Guide