Here is a Lightning cable that not only lets you charge and sync your phone but also listens for conversations around it. The Jiusion GPS Spy Audio cable has a built-in microphone that can pick up conversations around it as soon as you make a call to the Micro SIM card number. You can also use a text command to get a location update.
The Jiusion GPS cable works as a regular charger and data cable. You can set up voice-activated callback to get a call when there is activity around the cable.[where to get it]