Apple Airtag (2nd Generation)

Technical Specifications
Connectivity & Power
Model Number
MFE94ZF/A (1-Pack)
Connectivity
Bluetooth for proximity finding |   Apple-designed U2 chip   (Ultra Wideband)
Sensor Technology
Accelerometer | NFC tap for Lost Mode
Battery
User-replaceable CR2032 coin cell battery (Lasts up to 1 year)
Build & Requirements
Durability
IP67   Water & Dust Resistant (Depth up to 1m for 30 min)
Built-in Speaker
Yes (Audible alerts for finding)
Dimensions & Weight
Diameter: 31.9 mm | Height: 8.0 mm | Weight: 11g
System Requirements
Apple ID | iPhone/iPod touch with iOS 14.5+ | iPad with iPadOS 14.5+