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🔑 Keep your essentials smarter, slimmer, and safer—because losing your wallet is so last decade.
The KeySmart SmartCard Gen 2 is an ultra-slim, rechargeable wallet tracker card designed for seamless integration with Apple’s Find My network. At just 2mm thick, it fits discreetly in your wallet while offering up to 8 months of wireless battery life. Its IPX8 waterproof rating ensures durability in all conditions, and proactive alerts help you avoid losing your essentials. Perfect for professionals who demand minimalist style without compromising on smart security.







| ASIN | B0CB4VL6GC |
| Additional Features | Real Time Tracking, Location History, Lost Mode, Ultra-Slim, Waterproof, Rechargeable |
| Battery Average Life | 8 months |
| Best Sellers Rank | #9,808 in Electronics ( See Top 100 in Electronics ) #129 in Item Finders |
| Brand | KEY SMART |
| Compatible Devices | Apple iOS devices: iPhones, iPad, iPod touch, Mac, and Apple Watch |
| Connectivity Technology | Bluetooth |
| Customer Reviews | 4.0 out of 5 stars 1,600 Reviews |
| Enclosure Material | Plastic |
| Item Dimensions | 3.37 x 2.13 x 0.06 inches |
| Item Weight | 11.34 g |
| Manufacturer | Curv Group LLC |
| Material | Plastic |
| Mfr Part Number | 1 Pack Black |
| Model Number | 1 Pack Black |
| Number of Items | 1 |
| Number of Packs | 1 |
| Special Feature | Real Time Tracking, Location History, Lost Mode, Ultra-Slim, Waterproof, Rechargeable |
| Specific Uses For Product | Wallet, Luggage, Vehicle, Lanyard Wallet, Outdoor Activities |
| Supported Application | Find My Phone |
| UPC | 810024054329 |
| Unit Count | 1 Count |
| Warranty Description | 1-Year Manufacturer |
S**O
BETTER THAN MOST
PROS: 01. Slim Compared to other products this one is much more slimmer. As shown in the second photo this one is as slim as 2 normal credit cards. Making it easy to fit in many wallets and card holders. 02. Physically Flexible Some products of the similar category have a hard plastic construction making them impossible to flex. That there is an issue to those who carry wallets in their back pocket which is prone to being bent to an extent. With this tracker the construction is softer thus reducing the chances of breakage or cracks. 03. Discrete Unlike other trackers this has little to no branding. In real life this looks more similar to an apartment building keycard. If your wallet was to be stolen, thieves wouldn't pay much attention to it unlike an AirTag and would be less likely be spooked by it and throw it away making it much easier to track. 04. Loud alarm The included video demonstrates how loud it can get. For something so slim the sound is remarkably loud. It's almost as loud as an AirTag. 05. Wireless Charging When the charge runs out, other brands have opted to provide you with a replacement card for a fee or provided a proprietary charging attachment. This charges wirelessly thus eliminating the dependency on replacement services or having to use a proprietary charger that you may loose or may not function. Wireless chargers can be found almost anywhere and if your phone supports reverse wireless charging you don't have to rely on anything else. 06. No Power Off Button There is a small button on the card but it is only used for initial pairing and factory reset. After paring has been completed the button no longer functions until you remove it from your findmyapp. After which it becomes a "reset" button. This ensures that the card does not turn off while be carried in your wallet by accident and it can't be turned off by thieves. 07. Battery Life I have yet to test it's battery life but it is rated at one year. With it's charging capability that's a plus. CONS: 01. No U1 Chip DO NOT EXPECT PRECISE TRACKING! Like most trackers of the same kind this lacks an U1 chip which would have allowed precise tracking. Unlike AirTags you will not get compass like directions on your phone, instead it'll gives you a radius of where the card is. The tracking is mostly done using bluetooth so you get a range about 30ft. VERDICT: Given it's price, discreteness and charging capabilities I'd say this a superior product even with its minor con. I much rather be SAFE THAN SORRY.
J**.
Peace of mind for my wallet with easy Find My tracking
This smart card did exactly what I wanted without making my wallet bulky. It’s about the size of a credit card and slides into a card slot easily, so I don’t feel like I’m carrying a big tracker around. Once it’s in there, you pretty much forget about it until you actually need it. Setup with Apple’s Find My was super simple. I opened the app, added a new item, and it connected within seconds. Now I can see where my wallet is on the map and make the card play a sound when I misplace it around the house. The alert is loud enough to hear from another room, and the connection has been reliable so far. I also like that it uses the existing Find My network instead of yet another separate app. Everything is in one place, and I don’t have to manage extra logins. The only thing to be aware of is that you do need to keep an eye on the battery and recharge it occasionally, but that’s a fair tradeoff for something this slim. If you’re the type of person who occasionally leaves their wallet on a counter, in a jacket, or in the car, this is a simple, low-profile way to have some backup and peace of mind.
G**K
Card does not last. Failed soon after warranty ended
This was pretty good at first. But the speaker stopped working. Not sure when exactly, but about 18 months after I bought it I tried to use the speaker to find my wallet and it didn't work. Location still works so I knew it was at home and I found it eventually. EDIT: and now it stopped working completely. Ordered similar item from another manufacturer with lifetime warranty
C**L
Found my wallet immediately
I stopped for gas about a week ago on my way to a fishing trip. About 10 miles later I stopped at a tackle shop, where I discovered that I no longer had my wallet. I realized I must have left it on the roof of the car. Opened up the find-my app, and sure enough there it was about a quarter mile from the gas station. This card led me to within no more than 10 feet of it and I recovered my wallet. Which had seemingly been driven over numerous times. But the card still worked and did its job. Photo attached is the card after.
C**N
Updated: Worked great… until it didn’t.
Updated 2/2026: KeySmart’s team reached out and offered a refund. I asked if I could get a replacement instead. I want to give this another chance and see if the issues had been fixed. I surely hope so! I wanted to love this item so bad and almost purchased a 3 pack. I had been researching different products for my wallet. The design is perfect for this need. Button is small enough you wouldn’t actually push it accidentally. Battery life is great. Connects with find my app seamlessly. The sound is similar in volume to an air tag. But out of no where (and when I need it most), the sound quit working 4 months into using it. I just dealt with it. I just got it out to charge it for maybe the 3rd or 4th time since February. I decided to see if there was a warranty. According to the website, you get a warranty if it’s purchased through their website ONLY. So is the company being cheap or are they purposely selling trash on Amazon? Because, that’s what it looks like.
G**S
Top Notch! Great product so far!
So far the tracking units work well. Whil not traveling by air we have them activated on a road trip. I was promptly informed of their location that was not with me. Great on that service. The charging is easy and quick for new units, we will need to see how long they take to recharge a couple of months from now. The size shape and form is amazing well engineered and user friendly. I set up several my my wife on her phone and a couple on mine very easy process on our IPhones. I reallY like the ability to recharge them . I have many APPLE AIR Tags while they work well. Getting them opened to change the battery is not easy at least for me. A couple units were not openable and I simply did not have the opportunity to take them to APPL for their assistance in provided.
A**R
Lasted 18 Months
I really liked this product most of the time I had it. It worked well and saved me a couple of times. About 12 months into use the play sound feature stopped working, and at 18 months it stopped taking a charge. If there’s a more durable model out there I would be interested, but in the meantime I think it’s worth it to order a replacement.
A**M
Amazingly Thin!
Was on the verge of pledging a kickstarter campaign for an ultra thin AirTag compatible credit card sized tracker when I discovered this KeySmart product. Slightly more expensive but worth it to me since the KeySmart tracker was a ready to go product versus a device that was promised to be available during the Christmas holidays and was still waiting for MiFi certification. Upon delivery and unboxing the card I can’t imagine anything thinner than this. The card was seamlessly added to the Find My app on my iPad alongside my AirTag that I have on my keys. I am using the KeySmart tracker with a phone wallet on the back of my mobile phone so flexing of the card should not be an issue. Tracker charges wirelessly which is an added plus and should outlast the Tile slim card non replaceable battery life of 3 years. Warranty is 2 years when purchased directly from KeySmart website. Not sure if covered with purchase from Amazon.
R**6
Un Dispositivo di Localizzazione Innovativo e Pratico
Ho recentemente acquistato una SmartCard localizzatrice GPS e sono estremamente soddisfatto delle sue funzionalità e della sua praticità. Questo dispositivo è un must-have per chi desidera tenere traccia dei propri oggetti personali in modo semplice ed efficace. **Ricarica Wireless** Una delle migliori caratteristiche di questa SmartCard è la possibilità di ricaricarla facilmente in modalità wireless. Compatibile anche con i caricatori MagSafe, senza però avere la possibilità di agganciarla magneticamente, la ricarica è semplice e senza fili. Questo elimina la necessità di cavi ingombranti e rende la ricarica un processo veloce e intuitivo. **Integrazione con l'App "Dov'è"** La SmartCard può essere abbinata al proprio iPhone tramite l'App "Dov'è", fornendo un'utile esperienza di localizzazione. L'integrazione con l'app permette di visualizzare la posizione esatta della SmartCard sulla mappa, offrendo tranquillità e sicurezza nel sapere sempre dove si trovano i propri oggetti. **Funzionalità di Suono tramite Bluetooth** Un altro punto di forza di questa SmartCard è la capacità di farla suonare all'occorrenza attraverso la tecnologia Bluetooth, sempre attraverso l’app “Dov’è” di iPhone. Questa funzione è estremamente utile laddove non si riuscisse a trovare il proprio portafoglio o qualsiasi altro oggetto in cui sia inserita (o a cui sia agganciata) la SmartCard (ad esempio, una valigia). Con un semplice comando dall'app, puoi far suonare la SmartCard e localizzarla rapidamente, anche se è nascosta sotto i cuscini del divano o in una stanza diversa. **Design Sottile e Discreto** Il design della SmartCard è sottile e discreto, simile ad una normale carta di credito. Questo le permette di adattarsi perfettamente all'interno di portafogli, borse e altri accessori senza aggiungere ingombro. La costruzione robusta, inoltre, garantisce che possa resistere all'usura quotidiana. **Affidabilità del GPS** La tecnologia GPS integrata è estremamente precisa, fornendo aggiornamenti in tempo reale sulla posizione della SmartCard. Questa affidabilità è fondamentale per chi desidera monitorare oggetti di valore e assicurarsi che non vengano persi. **Conclusione** La SmartCard localizzatrice GPS è un dispositivo eccezionale che combina tecnologia avanzata e facilità d'uso. La ricarica wireless, compatibile anche con caricatori MagSafe (purché in piano), l'integrazione con l'App "Dov'è", la possibilità di farla suonare tramite Bluetooth e il design sottile la rendono un prodotto indispensabile per chiunque voglia tenere traccia dei propri oggetti in modo efficace. Consiglio vivamente questa SmartCard a chiunque cerchi un dispositivo di localizzazione affidabile e pratico.
M**K
Works great! Charge lasts and lasts
Very happy and highly recommend.
M**A
Substitui bem os AirTags.
Funciona bem, muito util para localizar meus cartões de credito.
L**V
?
Bon achat, tout de même moins précis qu’un airtag mais nettement moins épais.
A**R
One of my favorite simple tech products
It does exactly what it says. It’s very thin, very well made and charges wireless with 0 hassle. Other find-my products of this type are all disposable which sucks, both because of the e-waste and added cost but also because they can run out of battery at very inopportune times. With this product, you can just charge it whenever it gets to ~50% or lower battery so you’ll always have months of charge available, worry free.
Trustpilot
1 month ago
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