Apple AirTag 2nd Generation white (4 Pack)Dimensions: 31.9 mm (1.26 inches) diameter, 8.0 mm (0.31 inches) height, 11.8 grams.Chipset: Second-generation Ultra Wideband (UWB) chip for enhanced Precision Finding range, now up to 50% farther.Speaker: 50% louder built-in speaker with a new, more audible, and distinct chime.Durability: IP67 rating (up to 1 meter for 30 minutes), same as Gen 1.Battery: User-replaceable CR2032 coin cell battery (expected 1+ year life).Connectivity: Bluetooth, 2nd-gen Ultra Wideband, NFC for Lost Mode.Compatibility: Works with iOS 26.0 or later, including enhanced integration with Apple Watch Series 9/Ultra 2 and Vision Pro.
