Renpho - Smart Ring Health Tracker, Sleep Activity Monitor Long Battery No Subscription Titanium, Size 8-11, Size Before You Buy - Black-Size 8 - (2025)
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Color
Black-Size 8Specifications
- Touch ScreenNoOperating System CompatibilityAndroid, Apple iOSOperating SystemApple iOSApp CompatibleYesBuilt-in Storage0 gigabytesUsage Time144 hours
- Key Specs
- Touch Screen: false (Touch-screen devices make navigating more intuitive. Using a touch-screen display, you can do things such as tap to select, hold and drag to move items, swipe to scroll, and pinch to zoom.)
- Operating System Compatibility: Android, Apple iOS
- Operating System: Apple iOS (The operating system manages all software and hardware, including files, memory and connected devices. Most importantly, it lets you interact with your device and your programs in a visual way; otherwise, you'd be typing computer code to get anything done.)
- App Compatible: true (The product can be connected to a program or software application on a mobile device, which then receives collected data from the product.)
- Built-in Storage: 0 gigabytes
- Usage Time: 144 hours (All battery claims depend on network configuration and many other factors; actual results will vary. Battery has limited recharge cycles and may eventually need to be replaced. Battery life and charge cycles vary by use and settings.)
- Metrics Measured: Blood oxygen, Cadence, Calories burned, Distance traveled, Duration of exercise, Duration of sleep stages, Hours slept, Respiration rate, Resting heart rate
- Protective Qualities: Water resistant
- Maximum Depth of Water Resistance: 164 feet (Measurement of the maximum depth of water in which the product is able to resist some degree of water penetration.)
- General
- Brand: Renpho
- Model Number: R-MZW01
- Product Name: Smart Ring Health Tracker, Sleep Activity Monitor Long Battery No Subscription Titanium, Size 8-11, Size Before You Buy
- Color: Black-Size 8
- Product Type: Activity tracker
- Form Factor: Ring (The size, arrangement, and physical configuration of the product.)
- Model Family: Universal
- Year of Release: 2025
- Design
- Ring Size: 8
- Ring Size System: US
- Display
- Display Screen: false
- Touch Screen: false (Touch-screen devices make navigating more intuitive. Using a touch-screen display, you can do things such as tap to select, hold and drag to move items, swipe to scroll, and pinch to zoom.)
- Compatibility
- Operating System Compatibility: Android, Apple iOS
- Operating System: Apple iOS (The operating system manages all software and hardware, including files, memory and connected devices. Most importantly, it lets you interact with your device and your programs in a visual way; otherwise, you'd be typing computer code to get anything done.)
- App Compatible: true (The product can be connected to a program or software application on a mobile device, which then receives collected data from the product.)
- Works With: Ring (Compatible with or able to be connected to other smart devices or applications.)
- Connectivity
- Network Connectivity: None (The manner in which a device sends data to another device over a long distance using a cellular network.)
- Bluetooth Version: 5.0 (The Bluetooth specification formalized by the Bluetooth Special Interest Group. All versions of the Bluetooth standard are backwards compatible with previous versions.)
- Wireless Connectivity: Bluetooth (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
- Usage Time: 144 hours (All battery claims depend on network configuration and many other factors; actual results will vary. Battery has limited recharge cycles and may eventually need to be replaced. Battery life and charge cycles vary by use and settings.)
- Alert Type: Visual
- Languages Supported: English
- Activity
- Metrics Measured: Blood oxygen, Cadence, Calories burned, Distance traveled, Duration of exercise, Duration of sleep stages, Hours slept, Respiration rate, Resting heart rate
- Multi-Sport Tracking: true
- Sensors: Accelerometer, Optical heart rate (PPG) sensor, Temperature sensor (Detects stimuli such as heat, light, sound, motion, or pressure and responds accordingly by operating a control or initiating a function of the device.)
- Performance
- Protective Qualities: Water resistant
- Maximum Depth of Water Resistance: 164 feet (Measurement of the maximum depth of water in which the product is able to resist some degree of water penetration.)
- Dimensions
- Product Width: 0.91 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: 0.08 ounces (The out of box weight of the item.)
- Product Length: 0.31 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: 1 year
- Other
- UPC: 840191406348
Since the size of a Lynx smart ring differs from standard jewelry ring sizes, please purchase a sizing kit to find your perfect size and then purchase the Lynx health smart ring. The sizing kit includes 8 ring sizers (sizes 6-13) and a quick-start guide for this measuing tool to help measure your ring size more accurately.
- Comprehensive Health Tracker: Renpho smart ring can monitor your sleep, exercise, stress, health data to calculate your personalized daily health score, help you to manage your health accurately and efficiently.
- Fitness Activity Tracking & Sleep Monitoring: Renpho smart fitness ring tracks detailed activity data (steps, calories burned, walking distance,etc.) to help you easily achieve your fitness goals. The smart ring can record your sleep duration and sleep stages to evaluate your sleep quality and help you improve your quality of life and physical and mental health.
- Long Battery & Convenient Charging & No Subscription Fee: The smart health ring boasts a 7-day battery life and includes a charging case for two full convenient charges of the ring when going out and safe storge. The Renpho Lynx smart ring connects seamlessly with the Renpho Health App, free of subscription fees. Compatible with iOS and Android, it syncs with Apple Health and Google Health Connect.
- 5 ATM Waterproof & Titanium Material: With 5ATM waterproof ensures you can wear the smart wareable ring while washing hands, swimming, or in rainy conditions without needing to remove it or worry about water damage. The smart ring features a titanium material, offering both durability and lightweight comfort.
- Advanced Chips and Sensors: Empowered with advanced chips and sensors, the smart ring provides you with more accurate, real-time, and multi-dimensional data monitoring and analysis, ensuring high performance and reliability.
Whats Included
- Smart Ring×1; Charging Case×1; USB-C Charging Cable×1; User Manual×1
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Since the size of a Lynx smart ring differs from standard jewelry ring sizes, please purchase a sizing kit to find your perfect size and then purchase the Lynx health smart ring. The sizing kit includes 8 ring sizers (sizes 6-13) and a quick-start guide for this measuing tool to help measure your ring size more accurately.

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| Pros for Renpho - Smart Ring Health Tracker, Sleep Activity Monitor Long Battery No Subscription Titanium, Size 8-11, Size Before You Buy - Black-Size 8 - (2025) | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | Overall Performance, Battery Life, Health Tracking, Design, Screen Size | Overall Performance, Battery Life, Health Tracking, Design, Features |
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