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eufy · Tracker

eufy SmartTrack Card E40

  • Apple Find My
  • Google Find Hub
  • Rechargeable

A 1.7 mm wallet card that can be set up on either Apple Find My or Google Find Hub. It charges on a standard wireless charger, and eufy quotes around five months per charge and an 80 dB alarm.

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Specifications

NetworkApple Find My or Google Find Hub
Works withiPhone & Android
Phone requirementsOne network at a time: Apple Find My or Google Find Hub (reset to switch)
FormCard (wallet)
BatteryRechargeable on a standard wireless charger (not included)
Battery life (stated)Up to 5 months per charge
Replaceable batteryNo — rechargeable
Water / dust ratingWater resistant (no IP rating stated)
Speaker80 dB
Size1.7 mm thick (card size)
Weight12 g

As stated by the maker, checked 3 October 2026. Battery life and range depend on use and surroundings. Blank items weren’t stated on the sources we checked.

Key features

  • Works with Apple Find My or Google Find Hub — one at a time
  • 1.7 mm thick card
  • Charges on a standard wireless charger
  • 80 dB alarm
  • QR code lets a finder contact you

Sources

  1. eufy UK — SmartTrack Card E40
Same network

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