Supports Apple Find My network. As long as there are Apple devices (iPhone/iPad/Mac) around the world, the location can be tracked If the key is missing, you can search it with one click. The open-hole design can be directly put on the keychain. You can identify the key with one click and play a sound at the same time, making it easier to find Lost reminder, put it in your bag when you go out, and the mobile phone will automatically remind you if you are 100 meters away from the location to avoid leaving items behind Built-in lithium battery supports wireless charging, It can be used for 1 year after one charge and can be recycled 300+ times The APP accurately locks the location where the item last appeared, allowing items to be traced Route guidance, map showing location, and planning the route to find the object Light guidance, the red light flashes when making a sound, making it easier to find in dark environments One iPhone can be connected to 16 anti-lost devices, and the text and expressions can be customized to name them, so they are not afraid of being scattered, and all locations can be seen at a glance IP68 protection level, no fear of soaking in water Accidentally fell into the water? Don't worry, it has excellent waterproof capabilities and can still work normally for 30 minutes underwater.Pick it up and continue using it It’s ready to use, no need to download APP, easy to get started, you can connect through the “Find” APP that comes with Apple devices Attention to details, worry-free in every aspect, free binding to Apple devices Supports multiple iPhone/iPad/Mac devices to be online at the same time, allowing you to view your bound objects at any time If the anti-lost device cannot be found, press the button to activate and continue the connection after a beep sounds To prevent unauthorized tracking, when a locator that does not belong to you moves with you for a long time, the mobile phone will automatically remind you with a message How to Use: How to Use: Using your Apple device, open the Find My app Select the "Items" file and click "+" Click "Add other items" and the words "Searching for items" will appear After finding the anti-lost device, press the app to proceed until the addition is successful Specification: Model: BR8 APP: Find My Battery capacity: 100mAh Compatibility: Compatible for Apple devices only Compatible system: iOS 14.5 / iPadOS 14.5 and above / macOS 12.5 and above Material: PVC Dimensions: 54x45x3mm Weight: 11g±2g