The JBL G0+ includes a frequency reaction range of 180Hz �?twenty kHz. Apart from usual music playback, the speaker provides a noise-cancelling microphone which can also be used to take handsfree calls, too. Some kind of DoS can also be doable, even in modern devices, by sending unsolicited pairing https://www.bluetoothspeaker.top/bluetooth-wireless-speaker-audio-stereo-tf-card-mobile-phone-support-universal-battery-powered/