�?You desire a durable speaker that travels perfectly: It is really light and small but It is also drop-evidence, dust-proof and waterproof. Once paired, it gets digital audio signals, which are then decoded and amplified within the speaker. Finally, the speaker's drivers convert these amplified indicators into the sound https://www.bluetoothspeaker.top/portable-loa-bluetooth-speaker-with-subwoofer-wireless/