A functional element is coupled to a retaining element such that the functional element can be releasably coupled to a pole, and more preferably a pole of a furniture item. Even more preferably, the functional element is a shelf, an audio, and/or a display device, and the retaining element comprises a pair of brackets to which the functional element is coupled. Most preferably, the furniture item is a floor lamp having a tubular lamp stand to which the retaining element is coupled.