Feature:1. Global Positioning: With the global positioning feature of the Airtag project, you can easily find your items anywhere in the world as long as there are Apple devices around.2. One-Click Call: No need to download any software, just open the search software connection on the Apple device, and you can use the device to emit a prompt sound to help you quickly find items.3. MFi Certification: The Airtag project has passed Apple\u0027s MFi certification, ensuring the quality and safety of the product.4. Ultra-Long Standby: The ultra-low power consumption design can maintain a standby time of up to 10 months, eliminating the need for frequent battery replacement.5. Precise Search: Through the \"Iltems\" tag of the Finding App, the built-in speaker of Finein Tag can play a sound to indicate the item\u0027s location, allowing you to find items at close range easily.Specification:Features: Global Positioning: With the global positioning feature of the Airtag project, you can easily find your items anywhere in the world as long as there are Apple devices around.One-Click Call: No need to download any software, just open the search software connection on the Apple device, and you can use the device to emit a prompt sound to help you quickly find items.MFi Certification: The Airtag project has passed Apple's MFi certification, ensuring the quality and safety of the product.Ultra-Long Standby: The ultra-low power consumption design can maintain a standby time of up to 10 months, eliminating the need for frequent battery replacement.Precise Search: Through the "Iltems" tag of the Finding App, the built-in speaker of Finein Tag can play a sound to indicate the item's location, allowing you to find items at close range easily.Specification:Optional Model: 1-Pack / 4-PackColor: WhiteMaterial: PlasticBluetooth version: 5.2Auxiliary functions: Record lost location, rename item, customize item iconConnect: Bluetooth technology for close-range sensing and support for loss modeAlarm volume:Builtin buzzer (> 100 decibels)Battery: Replaceable CR2032 button batteryWorking temperature:-10℃~65℃Storage temperature: -10℃~55Working humidity: ≤85%Storage humidity: ≤75%Operating voltage: 2.0V-3.3VTransmit power: 4dbmProduct size: 29*29*11mmProduct weight: 7gPackage size: 90*64*16mmPackage weight: 18gPackage list:4* TrackerPackage List:4* Tracker