Then occur the inputs, which are essential should you don’t always prepare on working with Bluetooth. The widespread inputs Bluetooth speakers incorporate are AUX, and USB. There will even be a charging port, most likely a USB C charging input. USB C is fairly standard and offers two.5 watts https://www.bluetoothspeaker.top/superior-sound-quality-wireless-speaker-hifi-surround-sound-waterproof-bluetooths-speaker/