Thank you for viewing. Anker Eufy SmartTrack Card E30 (for iPhone) (Rechargeable Anti-Loss Tag) The eufy by Anker SmartTrack Card E30 is an anti-loss tracker. It's for iPhone and compatible with Apple's "Find My" app. It's a card-shaped tracker that can be placed in a wallet, and it features location tracking and item-left-behind notification functions. It's rechargeable and can be used repeatedly. Suitable for everyday life and overseas travel. [Brand] eufy by Anker [Model Number] SmartTrack Card E30 [Supported OS] iOS, iPadOS, macOS (latest version recommended) [Functions] Item location tracking, item-left-behind notification [Other] Rechargeable, Apple Find My compatible