Infrared headphones, wireless headphones, and Bluetooth headphones. Each of these categories of headphones has a techie-sounding name, but at the bottom line of them all is merely plain old wirelessness, which is what you basically thirst for in a cordless sound device.   Of the three, both wireless and Bluetooth headsets share a similar method of broadcasting and acquiring the sound signals. Infrared headphones, on the other hand, operate on quite a different level. Almost all three, technically, are wi-fi headphones, albeit using distinctive means for obtaining the same purpose.   Wireless headsets, towards a more restricted sense, are more accurately called stereo frequency or RF earphones. Just like their Bluetooth counterparts, these headsets use wireless radio frequencies for sending audio tracks signals from a transmitting device (i. electronic., a base station) to the headsets to enable you to notice requirements. However, since many other devices (e. h., cordless telephones, remote-control vehicles, etc. ) also use radio signals for proper operation, RF headphones have a tendency to compete with such devices for pathways. Hence, it is not necessarily uncommon for transmission interference to be experienced with RF headphones.   RF headphones remain popular these days owing to the wide applicability of radio frequency broadcast technology in many electronic products. However, in the light of Bluetooth technology, RF headphones appear simplistic. Bluetooth have not completely nudged radio frequency headphones off the main grid, though. In fact, both types use a similar medium for their signals (i. at the., radio frequency). One stunning difference between the two is that with Wireless bluetooth headsets, no special transmitter base is required. Just about all that you need are at least two Bluetooth-capable devices, that you need to bond or pair so that the devices can make a network between or included in this. Having created a personal area network (PAN), the devices can share various types of data, including sound signal data.   Infrared headphones, on the other hand, employ light. This uses not any ordinary kind of light, however the infrared kind. It is a form of electromagnetic radiation whose frequency is below those of the red frequency range in the color spectrum (thus, the name infrared). Infrared headphones work in a similar way to your television's remote control control, only that the headset receives light signals from a transmitter and turns them to audio tracks signals on your headset's audio speakers. The biggest downside of infrared headphones is their need to be always within the line of sight of the transmission device device, or else the connection is broken. Upon the up side, though, you won't need to worry about signal disturbance with infrared-powered headphones.   Infrared headphones, wireless headphones, and Bluetooth headphones all operate quite differently in one another, nonetheless they are quite capable of giving you quality sound besides freedom of motion.