Apple AirTag (2nd generation) vs Apple AirTag

The two products' specifications row by row. Rows where they differ are marked; a missing value is unknown, never equal.

5 differences
SpecificationApple AirTag (2nd generation)Apple AirTag
WeightDiffers11.8 g11 g
Protection featuresDiffersSplash, Water, and Dust Resistance Rated IP67Splash, water, and dust resistant
Near Field Communication (NFC)DiffersNFC tap for Lost ModeYes
AccelerometerDiffersAccelerometerYes
Sustainable technologies and materialsDiffers85% recycled plastic in the enclosureMercury-free, BFR-free, PVC-free, Beryllium-free
DiameterSame31.9 mm31.9 mm
HeightSame8.0 mm8.0 mm
BluetoothSameYesYes
Mobile operating systems supportednot knownnot knowniOS 14.5 or later
Battery typenot knownUser-replaceable CR2032 coin cellnot known
Built-in speaker(s)not knownBuilt-in speakernot known
Operating temperature (T-T)not known-20 to 60 °Cnot known
Packaging contentnot knownAirTag with CR2032 coin cell battery installednot known
BattG numbernot knownnot knownCR2032 coin cell battery
Safety precautionsnot knownnot knownIP67