Item tracker · Apple Silicon · 2021
AirTag
A small disc you attach to keys or drop in a bag, then find in the Find My app. The U1 chip powers Precision Finding, which guides an iPhone straight to it, and it is rated IP67 with a user-replaceable CR2032 coin cell. $29, or $99 for a four-pack.
Apple’s first item tracker, and its first product built around the U1 chip’s Precision Finding.
AirTag (2nd generation) (2026)
AirTag: key facts
When was the AirTag released?
The AirTag arrived on April 30, 2021. Apple discontinued it in January 2026.
How much did the AirTag cost?
The AirTag launched at $29 in 2021, about $34 in today’s money (approximate, US CPI).
What specs stand out?
Key specs: Apple U1 (Ultra Wideband), Bluetooth, Ultra Wideband, NFC.
Why does the AirTag matter?
Apple’s first item tracker, and its first product built around the U1 chip’s Precision Finding.
Full specifications
| CPU | Apple U1 (Ultra Wideband) |
|---|---|
| Cores | — |
| Memory (RAM) | — |
| Storage | — |
| Display | — |
| GPU | — |
| Ports | Bluetooth, Ultra Wideband, NFC |
| Weight | 11 g |
| Dimensions | 31.9 mm diameter × 8.0 mm |
| Operating system | iOS 14.5 |
| Released | April 30, 2021 |
| Discontinued | January 2026 |
| Launch price | $29 |
How the AirTag compares to today
Launched at $29 in 2021, about $34 in today’s money (approx., US CPI).
Method note: clock comparisons use frequency only; price conversions use US CPI.
Sources
Specs checked against Apple AirTag announcement, AirTag tech specs, Apple technical specifications archive, EveryMac, Mactracker.
Did you know?
It needs an accessory to hang on anything: there is no keyring hole in the disc itself.
Related Item tracker models
Open the AirTag in the interactive archive →
Last updated: 2026-10-27