Turn on the Bluetooth device that supports Swift Pair and make it discoverable. The way in which to make the Bluetooth device discoverable is dependent upon the device. To find out how to make the Bluetooth device discoverable, check the device's documentation or take a look at the manufacturer's https://www.bluetoothspeaker.top/bt-speaker-usb-rechargeable-speakers-support-aux-tf-subwoofer-loudspeaker/