Add your KeySmart Card to the Find My app on your Apple device. Play a sound on your KeySmart Card to locate it nearby, or track it using the Apple Find My network, supported by millions of Apple devices worldwide. The Apple Find My app proactively prevents you from losing your wallet or ID card by sending notifications to your iPhone when you leave your KeySmart Card behind. If your KeySmart Card is lost, you can see its last known location on a map. Lost Mode displays a message and contact information to anyone who finds your card. The world's most elegant tracking card. The KeySmart Card is about the size of two credit cards—less than 2 mm thick—and is the thinnest tracking card on the market. Use any wireless Qi charger to recharge your KeySmart Card. Reusable and durable. The KeySmart Card lasts a whole year on a single charge, so you don’t have to worry about recharging it every week. With an IPX7 rating, the KeySmart Card has one of the highest levels of water resistance—just in case you drop it in the pool or the ocean. It can survive up to 30 minutes at a depth of 1 meter.