EASILY LOCATE YOUR ITEM: I item finder makes it easy to locate your belongings by Find My app (compatible with iOS ONLY). Just activate playing sounds to when it's within bluetooth range (50m/164ft) or check the Find My network map to pinpoint your item's exact location, offering quick and effortless tracking. NOTIFY WHEN LEFT BEHIND: Get notified on your phone when the tracker tag moves out of Bluetooth range to remind you that you've left something leave behind and ensures you your valuables again (Note: need turn on the notification setting in advance). Perfect for your Keys, Luggage, Pets, Backpack, Wallet, and More. LOST MODE: If your Bluetooth Tracker is lost, activate Lost Mode to locate your belongings with the assistance of millions of devices in the Find My network. Upon detection by a network device, you'll receive an immediate notification, allowing you to quickly pinpoint the exact location of your missing items. PRIVACY PROTECTION: When using the key finder, your item's location remains private, accessible only to you. It does not store your location data or history for public viewing. Our advanced technology ensures that your location data stays anonymous, encrypted, and inaccessible to others. REPLACEABLE BATTERY: The tracking tags feature a replaceable battery with a lifespan of up to 12 months. Monitor the battery status using the Find My app at any time and swap it out when needed. For easy replacement, we include a small tool. Simply insert the tool into the top of the smart tag to disassemble and replace the battery. Colour:Black Material:plastic Package Contents: 2 x tracker 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.