CSfuxu Waterproof Smart Ring with NFC: NFC connectivity for contactless payments
Wearable tech has a problem: it's either bulky or fragile. The Waterproof Smart Ring tackles both, fitting connectivity onto a finger. This device uses NFC for the essentials: tap-to-pay, door access, and quick data swaps. It's built for the impatient—no fumbling for wallets or phones.
Waterproofing isn't just a bonus; it's a necessity. Survive hand-washing, a swim, or a sweaty workout without a second thought. Durability meets daily grind.
Beyond payments, it nudges you with call and message alerts, cutting screen time. Basic fitness tracking covers steps, calories, and sleep—handy for health nuts. Battery? A solid 11 hours, enough for a full day's use. Pairs easily with Android via Bluetooth, ditching extra gadgets. Stylish and minimal, it's for pros, gym rats, or anyone craving simplicity in a tech-cluttered world.
- Waterproof design for all-day wear
- Smart notifications and activity tracking
- Long battery life up to 11 hours
- Compatible with Android devices
- NFC connectivity for contactless payments
General specs
- Brand: CSfuxu
- Seller: Joom
- Compatibility: Android
- Water Resistance: Yes
- Battery Life: Up to 11 hours
- Connectivity: NFC, Bluetooth
- First listed by seller: 8/24/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
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| Brand | CSfuxu | TJzihe | Evfghiaed | QDnuozi | Yang675ingyu | Niuongchao9 |
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| Price | $5.72 | $5.72 | $5.72 | $5.72 | $5.72 | $5.59 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | August 20, 2025 | August 20, 2025 | August 20, 2025 | August 20, 2025 | August 20, 2025 | September 15, 2025 |
| Compatibility | Android | Android | Android smartphones | Smartphones with NFC support | Android | Android |
| Water Resistance | Yes | Waterproof | Yes | Waterproof | Yes | |
| Battery Life | Up to 11 hours | Up to 12 hours | Up to 11 hours | Up to 11 hours | Up to 11 hours | |
| Connectivity | NFC, Bluetooth | NFC | NFC | NFC, Bluetooth | NFC | NFC |
Waterproof Smart Ring with NFC
Lily H.
Manchester
September 2, 2025
Before I got this ring I was always juggling my phone wallet and keys especially during busy workdays as a sales manager it was a hassle and made me feel cluttered now with this CSfuxu ring everything feels streamlined I tap to pay for my coffee access my office door and get alerts without pulling out my phone it has cut down my screen time a lot which I appreciate the durability is impressive it survived a few accidental drops and daily wear without a scratch the fitness features are basic but enough for me to monitor my activity and sleep patterns as it seemed to me the battery could be better but for daily use it holds up well I highly recommend it to anyone looking for a simple wearable that integrates well into a tech-heavy life it has made my routine so much smoother and efficient
- Pros: I love how sleek and minimal it is—it fits perfectly on my finger without any bulk and the tap-to-pay feature is a game-changer for quick transactions no more fumbling for my wallet or phone it just works seamlessly and the waterproofing is fantastic I can wash my hands or even swim without worrying about damage the alerts for calls and messages help me stay connected without constantly checking my screen and the fitness tracking is handy for keeping an eye on my daily activity
- Cons: The battery life is a bit short it only lasts about a full day which means I have to remember to charge it every night and it can be too basic for advanced fitness needs as it only tracks steps calories and sleep without more detailed metrics pairing was easy but it only works with Android devices so if you have other systems it might not be compatible and the design while stylish might not appeal to everyone who prefers more traditional jewelry