Using these Liverpool FC headphones is easy. First, turn on the Bluetooth on your device and then turn on the headphones. Pair them with your device, and you're ready to enjoy your music. When using them, keep them within 10 meters of your device to maintain a stable connection. As for maintenance, use a soft, dry cloth to wipe the headphones regularly to keep them clean. Avoid getting them wet or exposing them to extreme temperatures. Also, when not in use, store them in a cool, dry place. This will help keep your headphones in good condition for a long time.