Smart Ring Health Tracker, Fitness Sleep Heart Rate Blood Oxygen Tracker Smart Ring, Water Resistant Bluetooth Christmas Gift - Silver #12

【Activity Fitness Tracker】: The fitness tracking ring records your exercise data and automatically monitors your heart rate and every half hour, or manually through the app. Blood oxygen saturation and stress tests are measured manually via the app.
【Sleep Tracker】: The sleep monitoring function will automatically record sleep data from 10:00 pm to 8:00 am. A sleep tracking ring is your ideal health companion, and our smart rings for men and smart rings for women are both great options.
【No Subscription Fee】: The data of the smart ring health tracker can be easily viewed through the mobile app without any subscription fee. The smart ring supports Android 5.0 and iOS 10.0 and above systems.
【Titanium Alloy Material】: The smart ring is made of lightweight, skin-friendly, high-strength titanium, ensuring excellent workmanship and durability.
【Beyond IPX68 Waterproof Rating】: The smart ring has an excellent IP68 waterproof rating. This ensures you can feel confident wearing it in the shower, working out in the rain, or even swimming since it’s water-resistant up to 100 meters (330 feet).
【Extra Long Battery Life】: This smart ring has an extended battery life that can last for four days on a single charge, ensuring long-term use without the need for frequent charging. 

Regarding color shading:
To reproduce the product’s true texture, professional lighting and high-definition equipment were used during photography. Therefore, slight differences may occur compared to natural lighting.
Different devices (mobile phones, computer screens) have different color rendering parameters, which may also cause color perception errors.

#8(Inner diameter 18.1mm)
#9(Inside diameter 18.9mm)
#10(Inside diameter 19.8mm)
#11(Inside diameter 20.6mm)
#12(Inside diameter 21.5mm)

Please contact us according to your finger size and tell us the size model you need, thank you~