The sound performance of your Nuvelon speaker was much better than we envisioned �?with crisp highs, detailed midranges plus a surprisingly good bass response. They're easy to sync with your mobile Bluetooth device and can pump out crystal crystal clear music efficiency without any distortion at high volume concentrations. https://www.bluetoothspeaker.top/factory-private-mold-bluetooth-speaker-2200mah-battery-led-speaker/