Bluetooth speakers all connect to the source device through Bluetooth, but that isn’t the sole audio connection available to you. Some Bluetooth speakers nonetheless have a pricey headphone jack, in order to tether the speaker to your phone by wire. That mentioned, be careful when looking at battery specs, https://www.bluetoothspeaker.top/factory-private-mold-bluetooth-speaker-rgb-speaker-2200mah-battery-portable-speaker/