Because the control buttons are white with a black industry, they’re straightforward to see even in dim light. Connie Park/NYT Wirecutter The Go 4 has become the first portable Bluetooth speakers around the market to incorporate Auracast Bluetooth technology. Auracast lets you broadcast a signal to multiple Auracast-equipped speakers https://www.bluetoothspeaker.top/hot-selling-new-outdoor-transparent-wireless-bluetooth-speakers-bluetooth-speaker/