There is certainly an app you can use with the SoundLink Max, but it's not required. If you need to do utilize it, you will get usage of EQing, speaker customization options, and firmware updates. Furthermore assure that the speaker is near the supply system as distance could be https://www.bluetoothspeaker.top/led-light-wireless-outdoor-bluetooth-speaker-party-music-box-usb-stereo-sound-music/