The name should be K007i, why? because the number identical with secret agency, right? Ok lets to the point, how this device works? it is very simple it just work like a mobile phone. Just put the fake K700i wherever you want, of course put near your target (perhaps your girl friend). This fake phone has number that only you know it. Ok to start your jobs call the number and the fake phone will automatically receive your call and transmit whatever sound is received, have fun!