Key benefits Never lose your belongings: Smart Track Card sends a notification of the last location when Bluetooth range is lost, helping you recover items quickly via the Find My app. Easy nearby finding: When the item is near, you can tap Play Sound in Find My to trigger the builtin speaker and locate your item from your phone. Reliable wireless charging: The thin GPS item finder delivers up to 3 months of battery life and supports wireless charging, eliminating the need for special charging cables. Reusable and durable. Slim, versatile design: Only 3 mm thick, suitable for wallets and easily attachable to wallets, luggage tags, passports, electronic devices and more. What it does LeftBehind Remind: If the Smart Track Card goes out of Bluetooth range, you receive a notification with the last known location before disconnection, helping prevent loss through instant alerts via the Find My app. Find Nearby: When your item is near, use Find My to play a sound from the locator's builtin speaker, aiding quick recovery. Compatible with Apple devices and Find My app; Android devices are not supported. Wireless Charging: The lightweight GPS item finder offers up to 3 months of battery life and supports wireless charging, so you don't need special charging cables. It's reusable and built to last. Slim Smart Card: With a thickness of 3 mm, it fits easily in wallets and can be attached to wallets, luggage tags, passports, electronic devices and more for convenient tracking. Specifications and compatibility Function: Bluetooth tracking with lastlocation notification, nearby alert with sound, and wireless charging. Compatibility: Works with Apple devices via Find My app. Android devices are not supported. Size and form: Slim 3 mm thick card suitable for wallets and various items. Performance: Long battery life (up to 3 months) and reusable design with wireless charging. Use scenarios Everyday carry: Attach Smart Track Card to your wallet or keys. If you misplace them and move out of Bluetooth range, you'll get the last known location and can use Find My to locate them quickly. Travel and luggage: Attach to a luggage tag or travel document holder. When you're separated from your luggage, use Find My to check the last position and, when nearby, trigger a sound to find it in airports or carriages. Home and office items: Attach to electronics, chargers, or bags. If you set the item down somewhere, use Find My to see the last location and then use Play Sound to locate it by its builtin speaker.