�?You would like to tweak application options: It won't work with the Growth application, so you can't adjust up EQ options. An optional spare battery extends its about 12-hour play time. The IPX4-rated speaker has jacks for a guitar and microphone, so it’s good for karaoke and busking. We https://www.bluetoothspeaker.top/bt-multi-function-time-alarm-clock-wireless-charging-light-call-function-bluetooth-speaker/