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.
Features
- 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
- ID: 684fccfcbd214901937bd1ae
- 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 | MUNBYN | Oucscru | Domhong | MEINING HEALTH CONSULTING LLC | |
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| Price | $6.04 | $69.99 | $16.78 | $49.99 | $29.99 | $25.99 |
| Seller | Joom | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | August 20, 2025 | December 6, 2025 | June 27, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 |
| package_dimensions | 3.1 x 2.8 x 1.97 inches | 3.5 x 3.5 x 2.7 inches | 3.26 x 3.26 x 1.1 inches | 3.15 x 3.15 x 1.18 inches | ||
| item_weight | 3.2 ounces | 0.25 Pounds | 3.7 ounces | 0.106 ounces | ||
| batteries | Nonstandard Battery batteries required. | 1 Nonstandard Battery batteries required. (included) | 1 Nonstandard Battery batteries required. (included) | 1 Lithium Polymer batteries required. (included) | ||
| date_first_available | June 26, 2025 | April 28, 2025 | April 8, 2025 | August 18, 2024 | ||
| manufacturer | MUNBYN | Oucscru | MEINING HEALTH CONSULTING LLC | |||
| country_of_origin | China | China | China | USA | ||
