The KeySmart Card is the slimmest tracking card available at less than 2mm thick. It has up to 60 meters range, so you can easily ring your missing wallet from your phone. Or you can use the Find My app to play a sound or locate your card with the help of an Apple device. You will receive an alert on your Apple device if you leave your KeySmart Card behind.  Using lost mode you can view your card's last known location and display contact information for its finder. The KeySmart Card has wireless charging for your convenience and can be used with any Qi-enabled wireless charger. Enjoy up to 5 months of battery life on a single charge. With an IPX7 rating, your KeySmart Card is waterproof and ready for any adventure, rain or shine. Its lanyard slot makes it perfect for attaching ID cards or badges, ensuring you never lose them. Black  Ultra-slim design Bluetooth connectivity Apple Find My integration Proactive loss notifications Lost mode Wireless charging Long battery life Waterproof design Lanyard slot