Never lose your passport ever again! Simply connect your this passport holder with integrated Find My technology in Apple?s Find My app and you are all good to go! Trackmate will help you when you leave your passport behind to give you a direct notification that you left it behind. Completely lost your passport? No problem easily detect it all around the world using Apple?s Find My network. Once you are nearby you can activate the items sound to find the exact location. Trackmate is equipped with a long lasting re-chargable battery. Simply place Trackmate on a wireless charger and re-charge in 1 hour for usage up to 6 months! No need to replace batteries! Trackmate is made with RCS recycled polyester. Total recycled content: 11% based on total item weight. RCS certification ensures a completely certified supply chain of the recycled materials. Packed in FSC? mix gift packaging.