Several months back I last but not least decided it would be effortless to have a portable Bluetooth speaker that I could use to play music from my phone or other device. In June 2005, Yaniv Shaked[149] and Avishai Wool[150] published a paper describing the two passive and active https://www.bluetoothspeaker.top/music-wireless-bluetooth-speaker-outdoor-subwoofer-for-audio-factory-wholesale/