[Slim Smart Card]: The wireless charging locator has a thickness of 3mm, both suitable for any wallet. Attach with your wallet, luggage tag, passports, electronic devices and more. Make your life more convenient. [Wireless Charging]: The thin GPS item finder boasts a battery life of up to 3 months and supports wireless charging, eliminating the need for special charging cables. It's reusable and built to last. [Find Nearby]: When the item is near, tap "Play Sound" to make your Locator beep, trigger the built-in speaker to locate your belongings via your phone. Compatible with for Apple devices, it offers easy through the Find My app. (Android devices are not supported.) [Left-Behind Remind]: When Smart Track Card is out of Bluetooth range, your for iPhone will receive a notification reminding you last location before disconnection. Avoid losing your belongings with instant alerts via the Find My app. [Lost Mode]: Activate Lost Mode for your wallet . Find your belongings with the help of hundreds of millions of for Apple devices in the Find My network. Besides, when it's detected by a for Apple device in the network, you'll automatically get a notification. [Privacy Protection]: Guaranteed Data Security. The card will never store your location data and history for public. All information about your location is anonymous and encrypted. Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Colour:Black Material:Plastic Package Contents: 1 * Track Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.