ElectroCN W8 Smart Ring: Heart rate detection
This smart ring is for the health-conscious individual who wants discreet, continuous monitoring without wearing a bulky device. It's perfect for tracking daily activity, sleep patterns, and vital signs like heart rate and blood oxygen levels, especially for those managing fitness goals or general wellness.
While many focus on the data, this ring offers a unique perspective: it's a subtle companion for connection. The family sharing function lets you quietly keep loved ones informed about your well-being, turning personal health into shared peace of mind. You'll notice the comfortable stainless steel and epoxy resin design feels like part of your hand, not an added gadget.
Practical benefits include a long battery life of 5-7 days, so you rarely need to charge it, and IP68 waterproofing for worry-free use during workouts or daily tasks. It syncs seamlessly with the ECTRI app on your phone, providing insights into steps, sleep quality, and multiple sport modes like running and yoga. Alexa compatibility allows for easy voice integration into your smart home routine.
Features
- Blood oxygen test
- Blood pressure detection
- Sleep detection
- Step count
- Remote photography
- Multiple sport modes
- Waterproof Level IP68
- Working Time About 5-7 days
- Charging time 0.5 hours
- Bluetooth Version BLE 5.1
- Material Stainless steel
- Heart rate detection
General specs
- Brand: ElectroCN
- Model: W8
- Seller: Joom
- ID: 6919f7853926000139456d87
- Health Sensors: Heart Rate, Blood Pressure, SpO2
- Water Resistance: IP68
- First listed by seller: 12/10/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
ElectroCN W8 Black Heart rate detection
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Delcast fad399c2-a5ac-49e6-8268-2aa5039cffda Silver Tracks heart rate and sleep
|
Mirlray 756371827424 Titanium Real-time heart rate and blood oxygen monitoring
|
Zeacool B0FRS7S8QG Beige
|
Moremore C60 Black
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Fitness Tracker Smart Band Black
|
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| Brand | ElectroCN | Delcast | Mirlray | Zeacool | Moremore | USMECBL |
| Model | W8 | fad399c2-a5ac-49e6-8268-2aa5039cffda | 756371827424 | B0FRS7S8QG | C60 | |
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| Price | $44.24 | $29.99 | $39.99 | $26.99 | $24.29 | $28.99 |
| Seller | Joom | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | January 30, 2026 | December 6, 2025 | December 6, 2025 | January 21, 2026 | January 21, 2026 | January 16, 2026 |
| Health Sensors | Heart Rate, Blood Pressure, SpO2 | Heart Rate, Blood Pressure, SpO2, Temperature | Heart Rate, Blood Pressure, SpO2 | Blood Oxygen, Heart Rate | ||
| Water Resistance | IP68 | IP68 | 10ATM | 5 ATM | IP68 | IP68 |
| Size | 9 | 13 | Adjustable | |||
| Material | Stainless Steel | Titanium | Silicone | |||
| Battery Life | 5 d | 10, 14 | 7 | 10, 14 | ||
| Weight | <num1>, <num2> | <num1>, <num2> | ||||
| Connectivity | Bluetooth | Bluetooth | Bluetooth | |||
| Display Size | 1.10 | 1.1 | 1.47 | |||
| Display Type | AMOLED | AMOLED | AMOLED | |||
| OS Compatibility | Android, iOS | Android, iOS | Android, iOS | |||
| Bluetooth Version | 5.0 | 5.0 | 5.0 | |||
