The JBL G0+ contains a frequency reaction range of 180Hz �?20 kHz. Aside from normal music playback, the speaker contains a noise-cancelling microphone which may also be used to take handsfree calls, also. In June 2005, Yaniv Shaked[149] and Avishai Wool[a hundred and fifty] posted a paper describing both https://www.bluetoothspeaker.top/colorful-musical-rhythm-speaker-bluetooth-speaker-atmosphere-led-rgb-light-speaker/