Smart wallet tracker card Switchbot W2500032 Black — NFC-compatible passive Bluetooth tracker card

SwitchBot W2500032 Black is a slim NFC-compatible passive Bluetooth tracker card designed to be placed discreetly in a wallet, pocket or small compartment to help locate everyday items. The card integrates with the SwitchBot ecosystem and supports Bluetooth-based locating via a paired smartphone and compatible services. It combines a thin form factor with waterproofing, NFC functionality and a rechargeable battery to provide continuous tracking, audible alerts and recovery assistance.

Advantages

The SwitchBot wallet tracker card offers an ultra-thin 2.5 mm profile that fits inside most wallets without adding bulk. It supports global locating through compatible services and provides audible 78 dB alerts and route guidance for retrieval. The built-in rechargeable battery (540 mAh) is stated to provide up to three years of use under typical conditions, with low-battery reminders below 20%. The card is IP67-rated for water and dust resistance, includes NFC compatibility for passive use even when the battery is depleted, and features privacy protections such as AES-128 encryption and anti-tracking alerts. A QR code on the card allows finders to contact the owner.

Suitable for (tasks / use cases)

• Tracking and locating wallets, cardholders and small personal items
• Carrying in pockets or slim compartments where bulk must be avoided
• Using with smartphone locating and route guidance for item recovery
• Integrating with SwitchBot devices for presence-based automation (e.g., Coming Home / Leaving Home)
• Outdoor use where water or dust resistance is needed (IP67)

When it may not be suitable

The card’s locating function depends on Bluetooth connectivity to a paired smartphone or compatible locating network; it is not a standalone GPS tracker and therefore does not provide continuous live location independent of connected devices. Very thick wallet materials or metal shielding may reduce Bluetooth or NFC performance. If you need active real-time tracking with built-in cellular connectivity, this passive Bluetooth/NFC card will not meet that requirement.

Key specifications

• Thickness: 2.5 mm (ultra-thin form factor)
• Battery: Rechargeable 540 mAh (up to 3 years typical use as specified)
• Sound alert: 78 dB
• Ingress protection: IP67 (waterproof and dustproof)
• NFC: Passive NFC functionality (works when battery is depleted)
• Encryption: AES-128 privacy protection
• Compatibility: Works with SwitchBot ecosystem, compatible with smartphone locating features

How to use

Place the SwitchBot tracker card inside a wallet, cardholder or slim compartment so it sits flat and unobstructed. Pair the card with your smartphone through the SwitchBot app or compatible locating service following the app’s setup process; initial setup is designed to be quick and straightforward. Use the app to trigger sound alerts, view route guidance or receive proximity notifications. The NFC feature can be used for passive identification when tapped by an NFC-capable device even if the battery is depleted. For presence-based automation, link the card with a SwitchBot Hub and other SwitchBot devices according to the ecosystem instructions.

What to consider before purchase

• Requires Bluetooth connectivity and a compatible smartphone or locating network for active locating functions
• Not a standalone GPS/cellular tracker—relies on nearby devices for location updates
• Performance can be affected by thick or metallic wallet materials
• Check compatibility with your phone and any SwitchBot hubs or services you plan to use

Usage recommendations

For reliable performance, place the card flat inside a non-metallic pocket or slot of the wallet and keep your phone’s Bluetooth and the SwitchBot app running for timely location updates. Charge the card when the app notifies you of low battery and register the QR code contact option to increase the chances of recovery if the item is found by someone else.