Smart Ring Heart Rate Blood Oxygen Sleep Monitoring Finger Ring with Charging Case | R99-WearableMaster
$17.46
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Why You’ll Love It?
R99 Smart Ring Heart Rate Blood Oxygen Sleep Monitoring Finger Ring with Charging Case – Black / #7 / 17.4mm
【Advanced Health Monitoring】 The R99 Smart Ring offers comprehensive health tracking, including heart rate, blood oxygen, and sleep monitoring, with precise data analysis accessible via the app 【Waterproof and Durable Design】 Constructed
Overcharge voltage when fully charged is 4.2V Operating Temperature Range -20 to 50℃ Charging Management Circuit The MCU has a built-in charging management PMU.
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WearableMaster'Opintion For Your Selection
WearableMaster'Opinion For Your Selection
-
Heart Rate Capability - 79%
79%
-
Blood Oxygen Insights - 81%
81%
-
Sleep Monitor Utility - 80%
80%
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IP68 Comfort - 79%
79%
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20Mah Endurance - 81%
81%
Best Uses and Buyer Fit
Use cases: R99 supports daily activity tracking, heart-rate trends, blood-oxygen reference and sleep review.
Best for: users who prefer discreet, screen-free wellness tracking throughout the day and night.
Benefits: R99 brings together Heart Rate, Blood Oxygen, Sleep Monitor, IP68 and 20mAh in a compact wearable.
Ideal buyer profiles: wellness-focused adults, light exercisers, sleep-conscious users and smartwatch-alternative buyers.
Pros
- R99 uses Heart Rate for convenient everyday feedback
- Blood oxygen complements its main use cases without adding a wrist display
- Ip68 suits the source-listed wearing scenarios
- 20mah supports the intended portable routine
Cons
- Ring fit and sensor contact can vary with finger size and wearing position
- Battery duration varies with monitoring frequency and connected-feature use
- Wellness readings are intended for personal reference rather than medical diagnosis
R99 Smart Ring Heart Rate Blood Oxygen Sleep Monitoring Finger Ring with Charging Case – Black / #7 / 17.4mm
Advanced Health Monitoring
The R99 Smart Ring offers comprehensive health tracking, including heart rate, blood oxygen, and sleep monitoring, with precise
data analysis accessible via the app
Waterproof and Durable Design
Constructed with an IP68 waterproof rating and stainless steel casing, this ring is built to withstand everyday wear,
even in challenging environments
Comprehensive Activity Tracking
Equipped with a high-accuracy step sensor and multiple sports modes (running, cycling, yoga, and more), the ring delivers
accurate data for distance, calories, and steps, making it an ideal fitness companion
Wide Compatibility and App Integration
Product Details
The SmartHealth app supports Android 8.0+ and iOS 10.0+, with features like camera control, sedentary reminders, and 31-language
support, seamlessly integrating with WeChat Sports and Apple Health for a complete fitness experience
Comfortable and Stylish Accessory
The R99 Smart Ring is lightweight and comfortable to wear, it's a sleek accessory combining functionality with style
to enhance any outfit
Specifications
Waterproof
IP68
Material
Case: Stainless Steel
Product Details
Size (Optional)
# 7(17.4 mm), # 8(18.2 mm), # 9(19.0 mm), # 10(19.9 mm), # 11(20.7 mm), # 12(21.5 mm)
Thickness
2.6mm
Weight
Around 2.9g
Chipset (Main Chip Model)
AC6323
Memory (Rom+Ram)
Flash: 4Mbit
Product Details
RAM: 73KB
G-Sensor
STK8321
Bluetooth-compatible Version
5.3
Mobileapp-Gps
Yes
Heart Rate Sensor
GH3018
Battery Type
Product Details
Polymer Pure Cobalt Battery
Battery Protection
Support lithium battery protection: Under-discharge protection voltage is 2.8V.
Overcharge voltage when fully charged is 4.2V
Operating Temperature Range
-20 to 50℃
Charging Management Circuit
The MCU has a built-in charging management PMU.
The configurable charging current range is 5-300mA.
It supports anti-reverse
Product Details
Battery Capacity
20mAh
Charging Time
1.5-2 hours
Theory Standby Time
7-9 days
Normal Using Time
3-5 days
Compatibility
Android 8.0 and above
Product Details
iOS 10.0 and above
Operation
The ring has no touch and no buttons
App initiates movement and function tests
Motion Data
Accurate distance / accurate calorie data / accurate step count
Multisports
Running
Cycling
Rope Skipping
Product Details
Walking
Mountaineering
Yoga
Dance
Golf
Step&G-Sensor
Self-developed ring precision step counting algorithm, with an accuracy rate of more than 95%
Heart Rate
APP launches heart rate test / Dynamic rate trend and data analysis / Heart rate historical data
Heart Rate Accuracy
Product Details
The accuracy rate of static heart rate is more than 98%,(compared with the laboratory test of heart rate belt)
Sleep
Precise sleep algorithm, sleep coach reminds
Blood Oxygen
APP initiated blood oxygen test / continuous blood oxygen data / historical blood oxygen data
Camera Control
The app's shake-to-take-photo feature
Others
Unit format, sedentary reminder, low power warning, heart rate warning
Wechat&Apple
Product Details
Access Wechat Sports and Apple Health
App Multi-Language Support
The app supports 31 languages: Simplified Chinese
Traditional Chinese
English
French
Italian
Spanish
Portuguese
Japanese
Product Details
German
Polish
Hungarian
Russian
Ukrainian
Korean
Vietnamese
Thai
Croatian
Swedish
Product Details
Norwegian
Danish
Finnish
Czech
Slovak
Irish
Arabic
Hebrew
Persian (Iranian)
Turkish
Product Details
Romanian
Greek, and Indonesian
Support Ota
Supports OTA
App
SmartHealth
Q & A
Smart Ring Heart Rate Blood Oxygen Sleep Monitoring Finger Ring with Charging Case | R99-WearableMaster
| Detail Specs | R99 |
|---|---|
| Model | R99 |
| Cas | Stainless Steel Size (Optional) # 7(17.4 mm), # 8(18.2 mm), # 9(19.0 mm), # 10(19.9 mm), # 11(20.7 mm), # 12(21.5 mm) Thickness 2.6mm Weight Around 2.9g Chipset (Main Chip Model) AC6323 Memory (Rom+Ram) |
| Flas | 4Mbit, RAM: 73KB G-Sensor STK8321 Bluetooth-compatible Version 5.3 Mobileapp-Gps Yes Heart Rate Sensor GH3018 Battery Type Polymer Pure Cobalt Battery Battery Protection |
| The app supports 31 language | Simplified Chinese, Traditional Chinese, English, French, Italian, Spanish, Portuguese, Japanese, German, Polish, Hungarian, Russian, Ukrainian, Korean, Vietnamese, Thai, Croatian, Swedish, Norwegian, Danish, Finnish, Czech, Slovak, Irish, Arabic, Hebrew, Persian (Iranian), Turkish, Romanian, Greek, and Indonesian Support Ota Supports OTA App SmartHealth |
| Certificate | CE-RED,CE-RoHS,FCC-ID |
| ColorStyle | A |
Quick Comparison
| Smart Ring Heart Rate Blood Oxygen Sleep Monitoring Finger Ring with Charging Case | R99-WearableMaster remove | ASUS TUF Gaming remove | HP Victus 16-e0174nw remove | Microsoft Surface Laptop Studio remove | Acer ProDesigner PE320QK remove | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Name | Smart Ring Heart Rate Blood Oxygen Sleep Monitoring Finger Ring with Charging Case | R99-WearableMaster remove | ASUS TUF Gaming remove | HP Victus 16-e0174nw remove | Microsoft Surface Laptop Studio remove | Acer ProDesigner PE320QK remove | ||||||||||||||||||
| Image |  |  | | | | ||||||||||||||||||
| SKU | WMT-R99 | 30899 | 30898 | 30902 | 2144207 | ||||||||||||||||||
| Rating | |||||||||||||||||||||||
| Price | $17.46 | $1,640.00 | Original price was: $1,020.00.$918.00Current price is: $918.00. | $1,800.00 | $750.00 | ||||||||||||||||||
| Stock | 29 in stock | 29 in stock | 29 in stock | 29 in stock | |||||||||||||||||||
| Availability | 29 in stock | 29 in stock | 29 in stock | 29 in stock | |||||||||||||||||||
| Add to cart | Select options This product has multiple variants. The options may be chosen on the product page | ||||||||||||||||||||||
| Weight | N/A | N/A | N/A | N/A | N/A | ||||||||||||||||||
| Dimensions | N/A | N/A | N/A | N/A | N/A | ||||||||||||||||||
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FAQs
Q & A
Smart Ring Heart Rate Blood Oxygen Sleep Monitoring Finger Ring with Charging Case | R99-WearableMaster
