Before you respond, please read this in its entirety. I wish to create an application that alerts me when my bluetooth headset is left in the car. You have to assume that the headset is always on. The application must automatically "connect" and make a chime on the iphone acknowledging connection. If for any reason my headset is left behind, my Iphone will automatically begin vibrating and sound a siren. If this just isn't possible because of bluetooth limitations, please respond with that. If you can create this, and guarantee that 1. My Iphone will ALWAYS "handshake" and acknowledge the connection. 2. The siren will sound when they lose connection because of range, or other reason. 3. Will it do this during a phone call, while I am either using another bluetooth, or just using the speaker on the phone. 4. Can the iphone handshake with 2 bluetooth devices simultaneously, and yet sound the alarm on the phone if my "favorite" bluetooth device is left behind?