Its companion app arrives with a simple three-band EQ so that you can customise the sound to your tastes. Because it doesn't have a 360-diploma design, its soundstage just isn't as good as being the Bose SoundLink Revolve II, and What's more, it automatically downmixes your audio to mono. https://www.bluetoothspeaker.top/bluetooth-speaker-wireless-speaker-with-multi-function-of-aux-bt-usb-fm-tf-card/