Bluetooth Tracker, Works With compatible with Apple Find My Keys Finder and Item Tracker Tags MFI Certification for Car Keys and Phones Bags and More Remote Control Finder Full Global Coverage Phone Finder iOS Compatible 4-Pack Airtag project has passed 's certification, ensuring quality and safety of product. No need to download any software, just open search software connection on device, and you can use device to emit a prompt sound to help you quickly find items. Through "Iltems" of Finding App, built-in speaker of Finein can play a sound to indicate item's location, allowing you to find items at close easily. With global positioning feature of Airtag project, you can easily find your items anywhere in world as long as there are devices around. ultra-low consumption design can maintain a standby time of to 10 months, eliminating need for frequent battery replacement. Specification: Battery: Replaceable CR2032 coin cell battery System Requirements and Compatibility: (1) ID ; (2) and iPod models with iOS14.5 or later ; (3) models with 14.5 or later version: 5.2 Battery capacity: 230mAh Shell: ABS material, environmentally friendly and durable Sensor: Accelerometer Optional Model: 1-Pack / 4-Pack Product Size:38.6*32.1*8.95mm Speaker: Built-in buzzer Connection: Find My network for global positioning search Optional Color: White / Black Package weight: 30g Product Weight: 7.5g Package size: 100*100*20mm Battery weight: 3.1g Standby time: 10-12 months Sound: 60~70dB Package list: 4* 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 compatible with Apple devices around. One-Click Call: No need to download any software, just open the search software connection on the compatible with 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 compatible with Apple's MFi certification, ensuring the quality and safety of the product. 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. 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.