CNBRO Smart Fitness Ring for Women Activity Tracker

CNBRO Smart Fitness Ring is a stainless-steel wearable that tracks steps, calories, heart rate, sleep, and female cycles in a subtle diamond-style ring you can wear all day.

This slim smart ring combines everyday jewelry design with fitness-tracking technology. Using Bluetooth 5.2 and the Da Rings app, it collects activity and health data — including continuous heart-rate readings, pedometer counts, sleep stages and menstrual cycle reminders — while remaining IP68 water resistant and lightweight at around 5 g. It supports iOS 10.0+/Android 5.0+ and charges magnetically to provide roughly 3–5 days of typical use from an 18 mAh battery.

How accurate is the CNBRO ring for daily activity and exercise tracking?

The ring uses an optical heart-rate sensor and motion algorithms to estimate steps, distance and calorie burn. While not a clinical device, it delivers reliable trend data for everyday fitness and lifestyle decisions.

• Pedometer: counts steps, estimates distance and calorie expenditure.
• Exercise modes: supports 100+ sports types for specific tracking.
• Heart-rate monitoring: continuous and on-demand checks via green light sensor.
• Data sync: Bluetooth 5.2 pairs to the Da Rings app for charts and history.

What sleep and recovery insights does the ring provide?

The CNBRO ring automatically records overnight sleep duration and phases, offering a simple breakdown of light and deep sleep. It helps you spot patterns so you can adjust bedtime routines without wearing bulky wrist devices.

• Automatic sleep detection: logs sleep start/end and total duration.
• Sleep depth analysis: separates light and deep sleep segments.
• Nightly trends: view multi-day sleep patterns in the app.
• Comfort-first design: slim stainless-steel band for all-night wearability.

Can the ring support women’s health tracking and everyday life features?

Yes. The device includes a menstrual cycle monitor to log and predict cycle windows and integrates convenience tools like remote camera control. These features aim to simplify daily routines while keeping personal health data accessible in the app.

• Menstrual period monitor: record cycles and receive reminders.
• Remote photograph: trigger your phone camera to take hands-free photos.
• Notifications and basic app interactions through Bluetooth pairing.
• Water resistance: IP68 rated for rain and handwashing (avoid hot baths and diving).

How do battery life, charging, sizing and materials affect wearable comfort?

The ring is crafted from stainless steel and weighs about 5 g, balancing durability and comfort. Magnetic charging replenishes the 18 mAh battery in 1–2 hours, giving around 3–5 days of typical use depending on monitoring frequency.

• Material: stainless steel for daily wear and scratch resistance.
• Charging: magnetic charger included, quick 1–2 hour full charge.
• Battery life: roughly 3–5 days per charge under normal use.
• Sizing options: available in #7, #8, #9 and #10 with inner diameters listed for precise fit.

Who is this for: CNBRO’s Smart Fitness Diamond Ring suits women who want a low-profile health tracker that looks like jewelry. It’s ideal for users who prefer finger wear over wristbands, seek discreet sleep and activity monitoring, and want basic female-cycle tracking plus lifestyle conveniences like remote photos. It’s not intended as a medical device; users seeking medical-grade diagnostics should consult professional equipment.