1. Ultra-Slim - The Most Sleek Tracking Card Anywhere. The Wallet Tracker Card is the size of about two credit cards - less than 2mm thick - and the slimmest tracking card on the market. Place it in your wallet, luggage tags and more to locate your missing items.<br> 2. "Find My" the network location - Work with for Apple Find My APP, when the smart card out of bluetooth range with your iphone, you will get notifacation on iphone ,what's more , it can be tracked without distance limit to anti lose ,as long as there is other ios devices near by.<br> 3. Lost Mode - Enabled - Enter your contact phone number, etc. If the device has been disconnected from your phone for more than a while, and there is another for Apple device near the device,you will receive notifications and the latest location of the smart tag.<br> 4. Wireless Charging with up to 4 months of Battery - No special charging cable required. Reusable and built to last. The Card lasts up to 4 months on a single charge, so you don't have to worry about recharging it every week.<br> <br> Compatibility:<br> For Apple(iPad/iPhone/Mac) works with "Find My" App<br> Does not work with Android devices.<br> Battery: Built-in Lithium Battery, 100mAh<br> Whether the battery can be replaced: No<br> Charging method: Wireless charging<br> Volume:70-90dB<br> Weight:12.6g<br> Standby time:3-4 months<br> Support system:iOS(iOS 14.5 and above)<br> APP:for Apple Find My<br> Colour:Black<br> Material:Plastic<br> Size:L85 x W54 x T1.8mm<br> <br> Package Contents:<br> 1 * Smart Track Card<br> <br> Only the above package content, other products are not included.<br> 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.