Bluetooth iTAG for protection from loss medal placed on valuables that are afraid of loss such as trunk, console, mobile, kids. etc using Bluetooth and are linked to Mobile Smartphone or your tablets then in conjunction and in case of divergence the Medal on mobile to 10 m and uninterrupted mobile communication issued strong alarm and vibration to alert you that the machine away from you. -Compatible with the iPhone/iPad/mobile phones that run on Android 4.3 and above running on battery size CR 2032- loss -follow track -Bluetooth.