COLMI R12 Smart Ring with Touch Display: Touch and display for easy time and step tracking
Meet the COLMI Smart Ring—your new wrist (well, finger) buddy that's as stylish as it is smart. Perfect for anyone who's ever thought, "I wish my jewelry could do more than just look pretty." With a quick tap, its sleek touch and display lights up to show you the time, how many steps you've taken (or skipped), and if it's time to juice up the battery. And yes, it's got your back (and heart) with health tracking that keeps an eye on your heart rate, makes sure you're getting enough oxygen (blood oxygen levels), and even tucks you in with sleep tracking. Because who doesn't want a gadget that cares about your z's?
Feeling active? This little ring packs a punch with multiple sports modes to log everything from your marathon training to that casual stroll to the fridge. It counts steps, measures distance, and tallies up calories burned—so you can focus on the workout, not the math. And when it's time to recharge, just plop it on its wireless charging stand—no fumbling with cords. Oh, and here's the kicker: wave your hand to control your phone's camera. Because sometimes, the best shots happen when your hands are full (or you're just feeling extra).
Before you dive in, a quick heads-up: check the size chart to make sure it fits like a glove. Inside the box, you'll find the smart ring itself, a nifty portable charging stand, a charging cable (for the stand, not the ring—remember, it's wireless), and an instruction manual (for those who like to read the manual).
Features
- Health measurements including heart rate and blood oxygen
- Supports multiple sports modes
- Wireless charging with dedicated stand
- Control phone camera with hand gestures
- Touch and display for easy time and step tracking
General specs
- Brand: COLMI
- Model: R12
- Seller: Amazon
- ID: B0FDBDFTRX
- package_dimensions: 3.94 x 3.15 x 0.98 inches
- item_weight: 3.53 ounces
- batteries: 1 Nonstandard Battery batteries required. (included)
- date_first_available: June 16, 2025
- manufacturer: Shenzhen COLMl Technology Co., Ltd
- country_of_origin: China
- First listed by seller: 7/17/25
If you are interested in more details, you can find full information on the seller's page.
Buy on Amazon
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Price History for seller Amazon
Shipping options
United States
Comparison with similar products
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COLMI R12 Touch and display for easy time and step tracking
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Emerhome R11 Intelligent display screen & Touch Control
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Health Tracker Smart Ring Smart Ring with Touch Display
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| Brand | COLMI | Emerhome | Emerhome | Domhong | Comforniture | MEINING HEALTH CONSULTING LLC |
| Model | R12 | R11 | R11 | SL | ||
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| Price | $45.98 | $40.00 | $39.99 | $29.99 | $36.99 | $25.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | December 6, 2025 | December 9, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 | December 6, 2025 |
| package_dimensions | 3.94 x 3.15 x 0.98 inches | 3.98 x 3.11 x 1.26 inches | 4.02 x 3.07 x 1.26 inches | 3.26 x 3.26 x 1.1 inches | 3.15 x 3.11 x 1.14 inches | 3.15 x 3.15 x 1.18 inches |
| item_weight | 3.53 ounces | 0.004 ounces | 0.1 Grams | 3.7 ounces | 2.39 ounces | 0.106 ounces |
| batteries | 1 Nonstandard Battery batteries required. (included) | 1 9V batteries required. (included) | 1 9V batteries required. (included) | 1 Nonstandard Battery batteries required. (included) | 1 Lithium Ion batteries required. (included) | 1 Lithium Polymer batteries required. (included) |
| date_first_available | June 16, 2025 | March 20, 2025 | April 8, 2025 | August 18, 2024 | ||
| country_of_origin | China | China | China | China | USA | |
| memory_storage_capacity | 100 MB | 100 MB | 128 KB | 128 MB | ||
