Bluetooth TrackerTrack Your Essential Items With GPS! The Bluetooth Tracker is a small, keychain designed tracker that you can easily attach to your essential items. Use the keychain ring to attach it to your luggage, keys, wallet, and even to your pet's collar or child's backpack. It syncs with your phone so you can track your missing item. It even has an alarm notification that alerts you when the tracker is out of range, making it ideal to give to your pets,