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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 24, 2025

If you often find yourself misplacing essential items like your wallet or passport, 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—making it significantly more compact than traditional tracking devices like Apple AirTags. Currently, you can purchase a three-pack of KeySmart SmartCards for only $69.97, down from the regular price of $119.97, through December 7. This deal brings the cost to less than $24 per card, offering a practical and affordable way to keep tabs on your most important possessions.

The KeySmart SmartCard is not only slim and discreet but also fully compatible with the Apple Find My app. This means you can easily track the last known location of your items with just a few taps on your smartphone. If you’ve misplaced something, you can activate a sound to help locate it, or even display a message with your contact information for anyone who might find your lost item. Additionally, the SmartCard features a lanyard slot, making it an excellent choice for keeping track of ID cards or security badges. With an IPX8 rating, these cards are waterproof and can withstand immersion in up to 3.3 feet of water for an hour, ensuring they can handle the rigors of daily life.

One of the standout features of the KeySmart SmartCard is its rechargeable battery, which is compatible with Qi-enabled wireless chargers. You won’t have to worry about frequent recharging, as the battery can last up to five months on a single charge. Whether you’re traveling or just navigating your daily routine, the KeySmart SmartCard offers a convenient and reliable way to ensure that your vital items are always within reach. Don’t miss out on this limited-time offer for a three-pack of SmartCards—perfect for keeping your essentials secure and easily accessible.

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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