RINGCONN - 122010003 Gen 2 Smart Ring Sizing Kit, Size before You Buy to Choose between 9 Gen 2 Ring Sizes - Black - (2025)
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Specifications
- Operating System CompatibilityAndroid, Apple iOSBuilt-in Storage0 gigabytesMetrics MeasuredBlood oxygen, Resting heart rate, Skin temperature, Respiration rateProtective QualitiesWater resistant
- Key Specs
- Operating System Compatibility: Android, Apple iOS
- Built-in Storage: 0 gigabytes
- Metrics Measured: Blood oxygen, Resting heart rate, Skin temperature, Respiration rate
- Protective Qualities: Water resistant
- General
- Brand: RINGCONN
- Model Number: 122010003
- Product Name: RingConn 122010003 Gen 2 Smart Ring Sizing Kit, Size before You Buy to Choose between 9 Gen 2 Ring Sizes
- Color: Black
- Product Type: Smartwatch
- Form Factor: Ring (The size, arrangement, and physical configuration of the product.)
- Model Family: RingConn Gen 2
- Year of Release: 2025
- Display
- Display Screen: false
- Compatibility
- Operating System Compatibility: Android, Apple iOS
- Connectivity
- Data Plan Required: false
- Wireless Connectivity: None (The manner in which a device sends data to another device over a short distance without the use of wires or cables.)
- Features
- Built-in Storage: 0 gigabytes
- GPS Enabled: false
- Activity
- Metrics Measured: Blood oxygen, Resting heart rate, Skin temperature, Respiration rate
- Performance
- Protective Qualities: Water resistant
- Dimensions
- Product Height: 1.4 inches (The out of box height of the item. Height is measured as the vertical distance from the bottom of the item to the top as it would be primarily used or placed.)
- Product Width: 4.4 inches (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Weight: 0.2 ounces (The out of box weight of the item.)
- Product Length: 4.4 inches (The out of box length of the item. Length is measured as the longest dimension of the item.)
- Power
- Rechargeable: false
- Warranty
- Warranty - Parts: 12 MONTHS
- Warranty - Labor: 12 MONTHS
- Other
- UPC: 6975377552039
Want to buy a RingConn(R) Gen 2 Smart Ring but you're not sure what size ring to order? Size before you buy! This is especially important since RingConn(R) ring sizes are different than others. The company has studied a large number of finger and finger bone samples and designed an irregularly shaped smart ring based on the research conclusions to ensure wearing comfort and accuracy in data collection. So, we advise you order this Ring Sizing Kit first. It contains the plastic versions of RingConn(R) Gen 2 ring sizes 6 through 14. Wear a size for at least 24 hours. It is recommended you wear it on either the index, middle, or ring finger as that is where the actual ring needs to be for optimal performance and accuracy.
- Bullet1: Size before you buy - before purchasing a RingConn(R) Gen 2 Smart Ring, we highly recommend acquiring this RingConn(R) Gen 2 Sizing Kit to determine the most comfortable and suitable size for your finger; please note this Sizing Kit is only compatible with the RingConn(R) Gen 2 Smart Ring
- Bullet2: Not standard sizing - the RingConn(R) Gen 2 Smart Ring differs from standard rings as it contains sensors on the inside, therefore, we recommend using this Sizing Kit to determine the best fit; RingConn(R) Gen 2 rings are available in sizes 6 to 14, accommodating various finger sizes
- Bullet3: How to measure and check fit - wear the sizing gauge snugly around the base of your finger, ensuring it doesn't rotate freely; we recommend wearing it for over 24 hours to determine your most accurate fit; for optimal data and comfort, it should fit snugly against your skin without rotating; when testing for the best size, make sure the sizing gauge remains tight around the base of your finger
- Bullet4: Choose a finger - the RingConn(R) Gen 2 Smart Ring can be worn on any finger and on either hand; for optimal accuracy and comfort, we recommend wearing it on your index, middle, or ring finger so be sure to size the exact finger on which you plan to wear your RingConn(R) Gen 2 for the best fit
- Bullet5: Manufacturing quality - Sizing Kit is made from premium-grade plastic, while the RingConn(R) Gen 2 Smart Ring is crafted from aerospace-grade titanium, coated with a scratch-resistant layer for outstanding corrosion resistance and durability
Whats Included
- 1
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Want to buy a RingConn(R) Gen 2 Smart Ring but you're not sure what size ring to order? Size before you buy! This is especially important since RingConn(R) ring sizes are different than others. The company has studied a large number of finger and finger bone samples and designed an irregularly shaped smart ring based on the research conclusions to ensure wearing comfort and accuracy in data collection. So, we advise you order this Ring Sizing Kit first. It contains the plastic versions of RingConn(R) Gen 2 ring sizes 6 through 14. Wear a size for at least 24 hours. It is recommended you wear it on either the index, middle, or ring finger as that is where the actual ring needs to be for optimal performance and accuracy.
Oura Ring 4 sizes are slightly different from standard ring sizes, so it is important to size yourself using our tools and to follow our sizing instructions. The Oura Ring 4 Sizing Kit allows for you, and those around you, to find the ideal fit before purchasing. You can also size yourself in stores where there is an Oura Ring 4 display. A properly fitting Oura Ring will result in the highest possible data accuracy, comfort, and overall experience.
The RingConn(R) Gen 2 redefines health tracking. It is a full-featured smart ring designed for seamless, everyday wear. The digital ring offers automatic sleep apnea monitoring to help you optimize rest and an ultra-slim, lightweight build that merges comfort with style. You also get an impressive 10 to 12 days of battery life (up to 150 days with its portable charging case), quick charging, and with our RingConn(R) EcoPower technology, we've refined optical pathways and enhanced algorithms to achieve reduced power consumption while maintaining familiar performance levels. Best of all, you'll get comprehensive monitoring with no subscription fees. Please note - before you order, be sure to review the Sizing Guide, as seen in the images section, as RingConn(R) ring sizes are different than those used in the US. Or better yet, size before you buy so you'll know for sure - order the Gen 2 Ring Sizing Kit first, sold separately.
Oura Ring 4 brings you closer to what matters most — your health. With an updated all-titanium design, this smart ring features Smart Sensing, a new sensing platform that doesn’t just measure your biometrics but also adapts to you. It provides insights into over 50 biometrics including sleep, readiness, activity, heart health, stress, metabolic health and women’s health.
| Pros for RINGCONN - 122010003 Gen 2 Smart Ring Sizing Kit, Size before You Buy to Choose between 9 Gen 2 Ring Sizes - Black - (2025) | |||
|---|---|---|---|
| There were no pros for this product— | Comfort, Sizing Accuracy, Build Quality, Weight | There were no pros for this product— | Comfort, Sleep Tracking, Overall Performance, Battery Life, Data Accuracy |
| Cons for RINGCONN - 122010003 Gen 2 Smart Ring Sizing Kit, Size before You Buy to Choose between 9 Gen 2 Ring Sizes - Black - (2025) | |||
| There were no cons for this product— | There were no cons for this product— | There were no cons for this product— | Size, Scratch Resistance, Connectivity |
Specs
Reviews
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
- Rated 5 out of 5 stars
Ring sizer
Let’s you get the perfect size needed ! These fit just like the ring should !
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