Is there a subscription fee?

No. All app features, including menstrual cycle tracking, are available with no subscription or membership fee.

It tracks sleep, heart rate, blood oxygen, HRV, stress, steps, calories and more than 180 sports modes.

How long does the battery last and is it waterproof?

It lasts about 3 days per charge and is IP68 water-resistant for handwashing, showers and workouts.

How do I choose my size?

Smart-ring sizing differs from jewelry rings, so measure the finger you will wear it on and, if between sizes, choose the larger size.

Smart Ring Fitness Tracker with Sleep, Heart Rate & SpO2, No Subscription, IP68

Name: Smart Ring Fitness Tracker with Sleep, Heart Rate & SpO2, No Subscription, IP68
Brand: Vaanis
SKU: SMART-RING-FITNESS-TRACK
Availability: InStock

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$47.99

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Track your health quietly with this smart ring fitness tracker. It monitors sleep, heart rate and blood oxygen with no subscription fee, and lasts about three days per charge.

SKU:SMART-RING-FITNESS-TRACK

Category:运动与户外

Weight:0.3 kg

Is there a subscription fee?: No. All app features, including menstrual cycle tracking, are available with no subscription or membership fee.
What does it track?: It tracks sleep, heart rate, blood oxygen, HRV, stress, steps, calories and more than 180 sports modes.
How long does the battery last and is it waterproof?: It lasts about 3 days per charge and is IP68 water-resistant for handwashing, showers and workouts.
How do I choose my size?: Smart-ring sizing differs from jewelry rings, so measure the finger you will wear it on and, if between sizes, choose the larger size.

详情

Track your health quietly with this smart ring fitness tracker. It monitors sleep, heart rate and blood oxygen with no subscription fee, and lasts about three days per charge.

Key features

Tracks sleep, heart rate, blood oxygen, HRV, stress, steps and calories.
No subscription fee, and it adds menstrual cycle tracking in the app.
Supports more than 180 sports and activity modes.
IP68 water resistant for handwashing, showers and workouts.
About 3 days of battery per charge, with a charging case included.

What's included

1 smart ring
1 charging case
1 charging cable
1 user manual

Specifications

Tracks	Sleep, HR, SpO2, HRV, stress, steps
Sports modes	180+
Subscription	None
Water resistance	IP68
Battery	About 3 days
Connectivity	Bluetooth (iOS and Android)