Transaction tokens (“fobs”) having wireless functionality and methods of using the same are provided. More specifically, fobs are provided having radio frequency functionality such that information, such as payment information, identification information, or other like information, may be wirelessly transmitted from a memory within the fob to a receiver. The fobs provided herein may comprise a microchip or other memory means, and/or antenna disposed on or within an insert and encased within an enclosure in an interior compartment. The fobs may be provided with a quick-release mechanism for easily attaching to and detaching from a securing means, such as a keychain or the like. Moreover, the interior compartments of the fobs may be easily accessible for replacing the insert contained therein.