Using this Eartec single - ear headset is easy. First, connect the 5 - pin XLRM connector to your device. Then, adjust the headset to fit your ear comfortably. When using it, make sure the device you're connecting to is compatible with the 5 - pin XLRM connector. As for maintenance, keep it away from moisture and clean it regularly with a dry cloth. Don't pull the cable too hard to avoid damage. Store it in a cool and dry place when not in use.