Not Accurate
I bought the ring sizers to assure I would buy the correct ring size for the following product: Brand: ELENVA Smart Ring Health Tracker 5ATM The size I ordered based on the ring sizer is way too big. Pretty frustrating!!!! Read more
Rmana
Rmana Sizing Kit-Size Before You Buy Smart Ring Activity Fitness Trackers Measurement Model
$6.88
About this item
- 1️⃣【Rmana Sizing Kit 】 The Rmana Sizing Kit is the ideal way to find the perfect size. It’s a custom sizer that allows for you, and those around you, to find the perfect fit before purchasing our smart ring.
- 2️⃣【Size Before You Buy】Rmana smart ring size are different from standard ring sizes. Size yourself with the Rmana Sizing Kit.If you don’t want to purchase the sizing kit and want to measure your finger circumference instead, for additional details, please see the pictures of sizing chart.
- 3️⃣【Comfort and Accuracy】A properly fitting Ring will result in the highest data accuracy, comfort, and overall experience.
- 4️⃣【How It Should Fit】Rmana smart ring should fit securely and comfortably at the base of your finger. Your ring should not rotate as you go about normal daily tasks. We recommend wearing your ring sizer for at least 24 hours to confirm your best fit.
- Product description Sleek, Comfortable and Powerful Smart Ring--Fitness tracker on finger--Your Personal Health Protector Rmana powerful smart health ring combines exceptional durability with a gentle touch , even for sensitive skin, designed for 24/7 wear . Also, this fitness ring features a colorful display lets you easily watch time,steps,heart rate,blood oxygen,battery level through your finger when you need. This smart ring is your best sport ,fitness and stylish partner . ✔ No interruptions : If you don't touch the button, the display will be off. Stay present without notifications on your wrist. 24 Hours Health Monitoring Tracker Ring--Heart Rate/Blood Oxygen/Sleep/Women’s Health/Stress--Free “EcTri” APP--NO Subscription Fees Heart Health Monitor: Rmana Smart Ring has a real-time heart rate tracking,and you can set up automatic heart rate detection once every 15 ,30 or 60 minutes. This health ring helps you take care of 1️⃣【Rmana Sizing Kit 】 The Rmana Sizing Kit is the ideal way to find the perfect size. It’s a custom sizer that allows for you, and those around you, to find the perfect fit before purchasing our smart ring.; 2️⃣【Size Before You Buy】Rmana smart ring size are
Specification
Product facts
Key details
- Operating System
- IOS, Android
- Memory Storage Capacity
- 1 MB
- Special Feature
- Activity Tracker/ Touchscreen/Lightweight/ Color Display Screen /Blood Pressure
- Connectivity Technology
- Bluetooth
- Wireless Communication Standard
- Bluetooth
Dimensions and fit
- dimensions
- 5 x 5 x 0.87 inches
- weight
- 0.16 Kilograms
- Screen Size
- 1 Inches
- package_dimensions
- 5 x 5 x 0.87 inches
- item_weight
- 0.16 Kilograms
- standing_screen_display_size
- 1 Inches
Technical specifications
- item_model_number
- R12
Item information
- Battery Cell Composition
- Lithium Ion
- GPS
- GPS Via Smartphone
- Shape
- Round
- Brand
- Rmana
- batteries
- 1 Nonstandard Battery batteries required.
- best_sellers_rank
- #986,063 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #3,341 in Activity & Fitness Trackers
- date_first_available
- May 11, 2025
- manufacturer
- Rmana
- memory_storage_capacity
- 1 MB
Overview
About this item
- 1️⃣【Rmana Sizing Kit 】 The Rmana Sizing Kit is the ideal way to find the perfect size. It’s a custom sizer that allows for you, and those around you, to find the perfect fit before purchasing our smart ring.
- 2️⃣【Size Before You Buy】Rmana smart ring size are different from standard ring sizes. Size yourself with the Rmana Sizing Kit.If you don’t want to purchase the sizing kit and want to measure your finger circumference instead, for additional details, please see the pictures of sizing chart.
- 3️⃣【Comfort and Accuracy】A properly fitting Ring will result in the highest data accuracy, comfort, and overall experience.
- 4️⃣【How It Should Fit】Rmana smart ring should fit securely and comfortably at the base of your finger. Your ring should not rotate as you go about normal daily tasks. We recommend wearing your ring sizer for at least 24 hours to confirm your best fit.
- Product description Sleek, Comfortable and Powerful Smart Ring--Fitness tracker on finger--Your Personal Health Protector Rmana powerful smart health ring combines exceptional durability with a gentle touch , even for sensitive skin, designed for 24/7 wear . Also, this fitness ring features a colorful display lets you easily watch time,steps,heart rate,blood oxygen,battery level through your finger when you need. This smart ring is your best sport ,fitness and stylish partner . ✔ No interruptions : If you don't touch the button, the display will be off. Stay present without notifications on your wrist. 24 Hours Health Monitoring Tracker Ring--Heart Rate/Blood Oxygen/Sleep/Women’s Health/Stress--Free “EcTri” APP--NO Subscription Fees Heart Health Monitor: Rmana Smart Ring has a real-time heart rate tracking,and you can set up automatic heart rate detection once every 15 ,30 or 60 minutes. This health ring helps you take care of 1️⃣【Rmana Sizing Kit 】 The Rmana Sizing Kit is the ideal way to find the perfect size. It’s a custom sizer that allows for you, and those around you, to find the perfect fit before purchasing our smart ring.; 2️⃣【Size Before You Buy】Rmana smart ring size are
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