operating without a wire connection to the companion communicating unit; -- of telephones and other devices using e.g. radio or infrared signals to allow communication between devices without a direct wire link; as, cordless telephones have a very restricted range compared with cellular phones.

wireless link between the telephone receiver and the handset

A term generally applied to radio technology in which a handset is used within a restricted distance from its corresponding base station.

not having a cord; "cordless telephone"

A type of phone where the handset is not connected to a device by a cord, allowing the user to move about while placing or receiving a call.

Transmitting a signal without wires, as in cordless microphone, cordless mouse or wireless keyboard.

A term that was traditionally used for wireless headphones that functioned on infrared technology. Now, there are RF based headphones that are called "cordless" by their manufacturers.