Technically, this is a cheeseburger phone, not a hamburger phone. But you'll just call it your new best friend. The burger phone has the following functions: Redial a call function Tone/Pulse Switchable Molded plastic: bun, cheese, ground chuck patty LED In-use indicator As seen in the movie "JUNO"! This hamburger phone features tone/pulse dial and last number redial and mute features.