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Domhong Smart Ring Health Tracker for Women & Men - IP68 Waterproof Fitness Rings with LED Screen, Heart Rate/Blood Oxygen/Sleep Monitoring/Motion Tracking, No Subscription Fee(10#)
Brand: Domhong
Condition: Used
$1526
$4999
-70% Save $3473
Updated: 5 hours 34 mins ago
Description
【Check the Size Before Purchase】Before buying the Domhong smart ring, it's advisable to refer to our size chart and measure your finger circumference carefully. This ensures a comfortable fit and helps avoid unnecessary returns or exchanges
【Smart Ring with Touch Display】The vital health ring combines health monitoring, fitness tracking, and sleep analysis. Track heart rate, blood oxygen（SpO₂), sleep data, steps, time and battery life without taking out your phone. This lightweight fitness ring provides real-time data to help you meet your health goals
【IP68 Waterproof & Durable】This smart ring health tracker is waterproof beyond 50 meters, suitable for diving. You can check the time anytime without removing it when washing hands or showering. It also enables you to wear it during shallow water swimming to record exercise data
【Revolutionary Air Gesture Control】With a smart ring, you can take photos, turn pages in e-books, brush Tiktok, control music, navigate and shop without touching your phone screen. Air gestures allow for easy control. This new feature frees your hands and speeds up daily tasks
【Track Multiple Exercise Modes】Our fitness tracker supports multiple sports modes, like running, cycling, mountain climbing, golf, etc. It records data accurately in real - time, offers detailed analysis and helps you adjust your plan. This stylish wearable is a great fit for an active, healthy lifestyle
Slip on the future. Our smart ring, your ultimate portable tech
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Package contains: 1 smart ring, 1 charging case, 1 charging cable, 1 instruction manual
Product Parameters:
Product Size: #8(18.2 mm) # 9(19.0 mm) # 10(19.9 mm) # 11(20.7 mm) # 12(21.5 mm) thickness 2.5mm
Product Weight: 3.4g
Battery Capacity: 16mah
Charging time: 2 hours
Normal using time: 3-5 days
Compability: Android 9.0 and above; IOS 10.0 and above
Chipset (main chip model): German Dialog DA14585)-ultra-low power, more durable
Memory (ROM+RAM): 128kb ROM + 96 Kb RAM
G-Sensor: SC7A20
Bluetooth Version: 5.1
MobileAPP-GPS: Yes
Heart rate sensor: Tianyi 3918
Product Functions: Health Tracker, Fitness Tracker, Sleep monitor, Multisport Tracker,etc.
Special Feature: Time Display, Touchscreen, Gesture Control, Lightweight, Activity Tracker
Package Size: 3.26 inchs * 3.22inchs * 1.12inchs
Package Weight: 105g
If you have any questions, please contact us immediately, we will answer all your questions within 24 hours!
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Package contains: 1 smart ring, 1 charging case, 1 charging cable, 1 instruction manual
Product Parameters:
Product Size: #8(18.2 mm) # 9(19.0 mm) # 10(19.9 mm) # 11(20.7 mm) # 12(21.5 mm) thickness 2.5mm
Product Weight: 3.4g
Battery Capacity: 16mah
Charging time: 2 hours
Normal using time: 3-5 days
Compability: Android 9.0 and above; IOS 10.0 and above
Chipset (main chip model): German Dialog DA14585)-ultra-low power, more durable
Memory (ROM+RAM): 128kb ROM + 96 Kb RAM
G-Sensor: SC7A20
Bluetooth Version: 5.1
MobileAPP-GPS: Yes
Heart rate sensor: Tianyi 3918
Product Functions: Health Tracker, Fitness Tracker, Sleep monitor, Multisport Tracker,etc.
Special Feature: Time Display, Touchscreen, Gesture Control, Lightweight, Activity Tracker
Package Size: 3.26 inchs * 3.22inchs * 1.12inchs
Package Weight: 105g
If you have any questions, please contact us immediately, we will answer all your questions within 24 hours!
Sold by
Amazon Warehouse
Official Amazon outlet for open-box & returned items
- Backed by Amazon's A-to-Z Guarantee
- 30-day return policy
- Ships from Amazon fulfillment centers
- Price verified on Amazon
Product Details
- SKU:
- awhd-us-b0f2fnv3dm
- Model:
- SR08
- Country:
- US
- ASIN:
- B0F2FNV3DM
Shopping Smarter
Common questions about buying open-box and refurbished.
Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $35 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for Domhong products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.