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US Tech & AI

This credit-card–sized tracker keeps tabs on your wallet, passport, and IDs — and now it’s under $24

By Eric November 23, 2025

Are you tired of misplacing your wallet or passport and the stress that comes with it? The KeySmart SmartCard might just be the solution you’ve been looking for. This innovative tracker is designed to fit seamlessly into your wallet or passport case, measuring just 2mm thick—about the size of two credit cards. Unlike bulkier alternatives like AirTags, the KeySmart SmartCard is perfectly tailored for tight spaces, making it an ideal choice for anyone who wants to keep tabs on their most important items without the added bulk. Currently, you can grab a three-pack of these SmartCards for only $69.97, down from the regular price of $119.97, a deal that runs until December 7.

The KeySmart SmartCard integrates smoothly with the Apple Find My app, allowing you to locate your belongings with just a few taps on your phone. If you misplace your item, the app shows you its last known location and even lets you trigger a sound to help you find it. For added convenience, if someone else finds your lost item, they can see a message with your contact information displayed on the SmartCard. This feature is particularly useful for items like ID cards or security badges, as the SmartCard also includes a lanyard slot for easy attachment. Plus, with an impressive IPX8 waterproof rating, the SmartCard can withstand immersion in water for up to an hour at a depth of 3.3 feet, ensuring that it remains functional in various conditions.

Another advantage of the KeySmart SmartCard is its rechargeable battery, which can be powered using Qi-enabled wireless chargers. You won’t need to charge it often, as the battery lasts up to five months on a single charge. This combination of functionality, convenience, and durability makes the KeySmart SmartCard a must-have for anyone looking to stay organized and avoid the panic of lost items. Don’t miss out on this limited-time offer to enhance your everyday life with a little extra peace of mind!

TL;DR:
Stop losing your wallet with some help from the
Apple Find My compatible KeySmart SmartCard
, now $69.97 (reg. $119.97) for a three-pack through Dec. 7.

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Credit: KeySmart

KeySmart® SmartCard – Works With Apple Find My | Wireless Charging (3-Pack)

$69.97

$119.97

Save $50

 

Get Deal

Want to keep better tabs on your most important items? AirTags are a little too bulky to slip into your wallet or passport case, which is where the
KeySmart SmartCard
really shines. This credit-card-sized tracker can fit into tight spaces and offers Apple Find My compatibility, making it easy to locate your important items.
Right now, you can snag a
three-pack of KeySmart SmartCards
for just $69.97 (reg. $119.97) — less than $24 each — through Dec. 7.

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Ever been late for a flight because you couldn’t find your passport? What about being late to work because you just can’t seem to find your wallet? There’s now a tracker that actually fits into these tiny spaces — the KeySmart SmartCard. Unlike chunky AirTags, this device is just 2mm thick, the size of two credit cards, so it can keep tabs on your most important possessions.
The KeySmart SmartCard is compatible with the
Apple Find My app
, so you’re just a few taps from finding out where your items are. It will show you the last known location, and if you’ve misplaced it you can have it make a sound so you can hunt it down. If you know you’ve left something behind, there’s also an option to display a message and contact info for anyone who finds it.
Aside from slipping into wallets or passport holders, the KeySmart SmartCard also features a lanyard slot to help you find ID cards or security badges. And no matter where you place it, you can rest easy knowing it has an
IPX8 rating
, so it’s waterproof and can survive up to an hour in 3.3 feet of water.
These KeySmart SmartCards have a rechargeable battery that works with Qi-enabled wireless chargers, but don’t worry — you won’t need to power them up often. The battery runs for up to five months on a single charge.
Get this
three-pack of KeySmart SmartCards
for just $69.97 (reg. $119.97) on sale now through Dec. 7.
StackSocial
prices subject to change.

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