The sound quality over the Greadio speaker is great and makes plenty of volume to replenish a medium sized room without any issues. You can take the speaker indoors or outdoors without any problems and it also works off using the micro SD memory card. The sound functionality that https://www.bluetoothspeaker.top/deep-bass-led-rgb-flashing-wireless-speaker-bluetooth-speaker-custom-features-hot-selling-customizable/