Then come the inputs, which are essential for those who don’t always prepare on using Bluetooth. The common inputs Bluetooth speakers contain are AUX, and USB. There will even be a charging port, most likely a USB C charging input. USB C is very standard and offers two.5 watts https://www.bluetoothspeaker.top/wireless-bluetooth-speaker-outdoor-fm-tf-card-disk-audio-creative-subwoofer-wireless-speakers/