UniJethro Smart Ring Health Tracker (Gold, Size 7) — Heart Rate, SpO2 & Sleep Tracking, IP68

UniJethro Smart Ring is a compact, waterproof wearable that continuously tracks heart rate, blood oxygen, blood pressure estimates, sleep patterns and activity without an app subscription.

This slim gold smart ring combines optical sensors and an accelerometer to deliver around-the-clock wellness and activity data in a subtle, jewelry-style form. Designed for daily wear and light water exposure, it syncs wirelessly with iPhone and Android devices so you can review trends, share progress with friends, and control smartphone functions like remote camera shutter.

How accurate is the tracking for everyday use?

The ring uses an optical heart-rate sensor together with the SC7A20H accelerometer to gather continuous measurements suitable for lifestyle monitoring and fitness tracking. While not intended as a medical device, it provides useful trend data for heart rate variability, estimated blood oxygen (SpO2), and activity metrics.

• Optical heart-rate sensor for resting and active measurements.
• SpO2 readings to monitor blood oxygen trends.
• Accelerometer tracks steps, distance, and calories burned.
• Sleep-stage estimates from overnight sensor fusion.

What can I expect from battery life and durability?

The built-in 20mAh rechargeable battery is optimized for everyday monitoring: expect roughly 3–5 days of typical use and up to 7–10 days in standby. The ring’s IP68 rating protects it from splashes and brief immersion so you can wear it during workouts and hand washing without worry.

• 3–5 days typical use; up to 10 days standby.
• IP68 water resistance for sweat and short immersion.
• Durable 316L stainless steel plus hypoallergenic resin casing.
• Compact charging cable included for convenient recharges.

How does it fit into my smartphone and fitness routine?

Pair the ring with the UniJethro app on iOS 9.0+ or Android 5.0+ to sync sessions, review long-term trends, and use social features like sharing progress and remote camera control. The device supports more than 10 sport modes, helping you categorize workouts such as running, cycling, swimming, and yoga.

• Syncs over Bluetooth with the UniJethro app — no subscription fees.
• 10+ sport modes including swimming and cycling.
• Remote camera control and friends sharing features for motivation.
• Compatible with most iPhone and Android phones supporting required OS versions.

Who is this ring made for? If you want a discreet wearable that looks like jewelry while offering continuous lifestyle health and activity tracking, the UniJethro Smart Ring is a good match. It’s aimed at busy professionals, fitness-minded users, and anyone who prefers a low-profile tracker over a wristband. Choose from multiple sizes (US 7–13) and finishes like gold to get a comfortable fit that complements daily wear. Remember the device provides wellness insights and trend data; it is not a medical diagnostic tool. For medical concerns, consult a healthcare professional.