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Gold smart ring, 38 mm wide, smooth polished finish, no display, touch surface, IP68 water resistant

Aoyool SR300 Smart Ring Gold 38mm 24-hour monitoring

SKU CH-1JJ1-FJCBW

Gold smart ring monitors heart rate, blood oxygen and sleep around the clock with up to five days of battery life

  • Screen size0.56 in (1.42 cm)
  • Connection optionsBluetooth, bluetooth
  • Battery runtime5 days
  • Size38 mm
  • Built-in sensorsHeart Rate Monitor, Blood Oxygen Monitor
  • Water protectionWater resistant
  • 24-hour heart-rate and blood-oxygen tracking with 5.0 sensors
  • automatic sleep analysis recording deep, light and REM cycles
  • IP68 waterproof rating for swimming and daily wear
  • up to 5 days battery life from a 1-2 hour charge
  • family care mode shares health data with loved ones

Smart Ring 38mm Gold

The Aoyool SR300 is a 38mm gold smart ring designed for continuous wellness tracking. It monitors heart rate, blood oxygen and sleep stages around the clock. The device suits men and women who want a lightweight, screen-free wearable for daily health insights without a subscription fee.

Sustained 24-hour monitoring

New 5.0 sensors record heart rate, SpO2, stress and HRV data throughout the day and night. The ring automatically logs deep sleep, light sleep, eye movement and wake periods. A 60 MB onboard buffer stores readings between syncs, while the lithium-polymer cell delivers up to five days of operation per charge.

Simple sizing and app setup

Buyers must measure finger circumference against the supplied chart before ordering to ensure a secure fit. The ring pairs via Bluetooth with Android 5.0+ or iOS 9.0 devices through the SmartHealth app. An IP68 rating allows immersion during swimming or showering. The touch surface supports remote photo capture and family care sharing features.

How it compares

Measured against everything we stock in Smartwatches & Wearables, at today’s prices. Recalculated every night.

Price $57.99
Pricier than about 67% of the 2,527 comparable items (median $44.99).
Screen size 0.56 in (1.42 cm)
Lower than about 95% of the 228 comparable items (median 1.4 in).

Specifications

Product
Brand nameAoyool
Product lineSR300
Model nameSR300
Product colorGold
Product typeSmart ring
Screen colorNo Display
Storage
Storage expansion60 MB
Display
Screen size0.56 in (1.42 cm)
Display typeNo Display
TouchscreenTouch screen
Connectivity
Connection optionsBluetooth, bluetooth
Wireless connectivityBluetooth, Bluetooth
Bluetooth supportBluetooth
Power
Battery runtime5 days
Battery typeLithium polymer
Run time5 days
Standby duration5 days
Size & build
Size38 mm
Overall height3.4036 L x 9.1948 W x 21.8948 H centimeters
Overall width3.4036 L x 9.1948 W x 21.8948 H centimeters
Product depth3.4036 L x 9.1948 W x 21.8948 H centimeters
Product weight0.2 oz
Environment & compliance
Water protectionWater resistant
More details
Built-in sensorsHeart Rate Monitor, Blood Oxygen Monitor
Wearable EC max card capacity60 MB

Questions about this item

Does the ring generate noticeable heat or drain its battery quickly during continuous 24-hour monitoring?

The ring runs cool on the finger and delivers 3-5 days of operation from a 1-2 hour charge, so daily all-day tracking does not cause overheating or rapid power loss.

What smartphone operating system version must I already have to pair the ring and view data in the SmartHealth app?

You need a phone running Android 5.0 or later, or iOS 9.0 or later, to connect via Bluetooth and use the companion app.

Will the ring still sync and show sleep or activity data if I keep using an older phone that meets the minimum OS requirements?

Yes, any handset that satisfies Android 5.0+ or iOS 9.0+ will pair with the ring and display 24-hour health metrics in the app.

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