RENPHO LYNX Lynx Smart Ring: Get the Perfect Fit with Sizing Kit
But it's not just about looking good or surviving water encounters. This little powerhouse dishes out the dirt on your sleep, keeps an eye on your blood oxygen levels, and even tells you when you're stressing out (because sometimes you need a gadget to point out the obvious). Plus, it tracks your heart rate, steps, how far you've wandered, and how many calories you've burned—probably while thinking about pizza.
Here's the kicker: it lasts a whole week on a single charge, and there's a charging case included because losing the charger is practically a sport. Perfect for those who travel or just can't be bothered to charge things every other day.
Oh, and before I forget:
- No sneaky subscription fees—just download the Renpho Health App and you're golden.
- Plays nice with Apple Health and Google Health Connect, because exclusivity is so last season.
- Rated 5ATM waterproof, meaning it can handle your day, rain or shine (or accidental dunk in the toilet).
- And for the health-conscious shoppers, it's HSA/FSA eligible. Because your health should be an investment, not just an expense.
General specs
- Brand: RENPHO
- Model: LYNX
- Seller: Amazon
- product_dimensions: 0.81 x 0.81 x 0.12 inches
- item_weight: 0.17 Ounces
- batteries: 1 Lithium Ion batteries required. (included)
- waterproof: 5ATM
- battery_life: 7 days
If you are interested in more details, you can find full information on the seller's page.
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Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
RENPHO LYNX Get the Perfect Fit with Sizing Kit
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RENPHO LYNX Comprehensive health monitoring
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RENPHO Smart Ring Comprehensive health and fitness tracking
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Fitness Tracker Ring Comprehensive fitness tracking
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Ultrahuman RA-RT-Size14-US Comprehensive health tracking
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| Brand | RENPHO | RENPHO | RENPHO | Piluyaa | HitTopss | Ultrahuman |
| Model | LYNX | LYNX | Smart Ring | RA-RT-Size14-US | ||
| Color | ||||||
| Rating |
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| Price | $179.00 | $179.00 | $179.00 | $39.99 | $29.99 | $349.00 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | June 15, 2025 | June 15, 2025 | June 12, 2025 | June 4, 2025 | June 12, 2025 | June 14, 2025 |
| item_weight | 0.17 Ounces | 0.05 Kilograms | 2.89 ounces | 2.95 Grams | ||
| batteries | 1 Lithium Ion batteries required. (included) | 1 Lithium Polymer batteries required. (included) | 1 Lithium Polymer batteries required. (included) | 1 Lithium Polymer batteries required. (included) | ||
| package_dimensions | 1.97 x 0.39 x 0.39 inches | 2.99 x 2.95 x 1.85 inches | 8.62 x 6.93 x 3.35 inches | |||
| date_first_available | February 24, 2025 | March 31, 2025 | July 11, 2024 | |||
| country_of_origin | China | China | India | |||
