Ceramic smart ring for heart rate, blood oxygen, and sleep monitoring, with waterproof construction, available in black sizes 7 to 14, compatible with both line charger and charging case styles.
Ceramic Smart Health Ring for Heart Rate, Blood Oxygen, and Sleep Monitoring

This ceramic smart ring offers a discreet and comfortable way to keep track of key health metrics throughout your day and night. Designed for continuous wear, it monitors your heart rate, blood oxygen saturation (SpO2), and analyses your sleep patterns, syncing the data to a connected smartphone app. The ring's waterproof construction means you don't need to remove it for daily activities like hand washing, providing a seamless flow of health information. Available in a classic black finish across a wide range of sizes, it combines practical health tech with a simple, wearable form.
Features and Construction

The smart ring's core functionality revolves around gathering vital health data in a non-intrusive manner. Its construction is focused on durability and consistent sensor contact for reliable readings.
Material and Build
The ring is crafted from ceramic, a material chosen for its hardness and resistance to scratches, helping to maintain its appearance with daily use. This construction houses the necessary sensors and a 20mAh battery, which provides power for the health monitoring features. The internal design ensures the sensors maintain gentle contact with your skin to facilitate accurate tracking of your heart rate and blood oxygen levels.
Size and Practical Fit
To ensure a proper fit for accurate sensor readings, the ring is available in a comprehensive set of standard ring sizes from 7 to 14. The size options allow you to select a ring that fits snugly without being too tight, which is important for consistent data collection and all-day comfort. The ring-shaped profile is slim and designed to be unobtrusive, making it suitable for wearing alongside other jewellery or during sleep.
Uses and Placement

This device is intended for general use by adults looking to gain insights into their daily wellbeing and nighttime recovery. Its simple operation makes it accessible for those new to health tracking.
Event or Professional Use
While designed for everyday consumer use, the data collected on heart rate variability and blood oxygen can be useful for individuals monitoring their general fitness levels or recovery after exercise. The continuous tracking provides a broader picture of your physiological state than periodic checks might offer.
Everyday Home Use
The primary use case is for daily personal health awareness. You can wear the ring throughout your routine—while working, relaxing, or sleeping—to collect data on how your body responds to daily stressors, activity, and rest. The sleep monitoring function analyses your sleep stages and duration, offering insights that may help you understand your sleep quality.
Benefits and Buying Value

The value of this smart ring lies in its focused functionality and the convenience of an always-on wearable, eliminating the need to remember to take manual measurements.
Reuse and Low Maintenance
As a durable ceramic device with a rechargeable battery, the ring is built for long-term reuse. Its waterproof nature simplifies maintenance, as you can rinse it under a tap without worrying about damaging the electronics. The need for specialised cleaning or careful handling is minimal.
Why Choose This Product
This ring provides a specific set of health metrics—heart rate, SpO2, and sleep—in a dedicated, wearable format. It avoids the complexity and multiple notifications of a full smartwatch, focusing instead on core wellbeing data. The availability of two charging options (line charger or case) offers flexibility based on your preference for charging on the go or at a bedside.
