HTC Smart Ring VIYONA-20 Black Large 1.04" 16 MB 180 Sports IP68 Bluetooth
Tracks sleep, heart rate, SpO, stress and 180+ sports modes with 1.04" display, IP68 waterproofing and 8-day battery life
- ColorBlack
- TypeSmart Watch
- SizeLarge
- BandBlack
- OS CompatibilityWindows
- Screen Size1.04"
- Tracks sleep, heart rate, SpO and stress for daily wellness insight
- 180+ sports modes cover running, cycling, yoga and more
- IP68 waterproof rating handles sweat, rain and swimming
- 8-day battery life reduces charging frequency
- No subscription fee unlocks all app features
HTC Smart Ring VIYONA-20 Black Large
The HTC Smart Ring VIYONA-20 is a health and fitness wearable designed for men and women who want continuous wellness monitoring without a wrist band. It tracks sleep, heart rate, SpO, stress levels and daily activity while offering 180+ sports modes. The ring carries an IP68 rating for water resistance and provides up to 8 days of operating time on a single charge with no subscription fees required.
Who this suits and who should look elsewhere
This ring suits users seeking a discreet, screen-free tracker that syncs via Bluetooth to a Windows-compatible app for long-term trend viewing and Family Care sharing. It also includes women’s health support for cycle tracking when the app profile is set accordingly. Buyers who need an on-device display for real-time stats, built-in GPS for phone-free route mapping, or contactless payment functions should consider other form factors.
The specification that decides fit
The ring comes in a single Large size measuring 3.81 L x 9.398 W x 10.16 H centimetres, so confirming your US ring size against the supplied sizing guide before purchase is the critical step. If the Large size does not match your finger, the tracking accuracy and comfort will be compromised and no other size option is offered for this model.
Highlights
- Tracks sleep, heart rate, SpO and stress for daily wellness insight
- 180+ sports modes cover running, cycling, yoga and more
- IP68 waterproof rating handles sweat, rain and swimming
- 8-day battery life reduces charging frequency
- No subscription fee unlocks all app features
Specifications
| Brand | HTC |
|---|---|
| Model | Smart Ring |
| Part Number | VIYONA-20 |
| Color | Black |
| Type | Smart Watch |
| Size | Large |
| Band | Black |
| OS Compatibility | Windows |
| Screen Size | 1.04" |
| Touch Screen Support | No |
| Storage Expansion | 16 MB |
| Wearable EC Max Card Capacity | 16 MB |
| Connectivity | Bluetooth, bluetooth |
| Bluetooth | Bluetooth |
| Connector | Smart Ring, Charging Case, Charging Cable, User Manual |
| Operating Time | 8 days |
| Standby Time | 8 days |
| Specification | VIYONA, Smart Ring, VIYONA-20, Smart Ring, Charging Case, Charging Cable, User Manual |
| Height | 3.81 L x 9.398 W x 10.16 H centimeters |
| Width | 3.81 L x 9.398 W x 10.16 H centimeters |
| Depth | 3.81 L x 9.398 W x 10.16 H centimeters |
| Package Content | Smart Ring, Charging Case, Charging Cable, User Manual |
Questions about this item
What smartphone operating system is required to pair with the VIYONA-20 ring?
The ring connects via Bluetooth to the companion app, which is compatible with iOS and Android devices for data sync and settings.
Does the ring replace a chest-strap heart-rate monitor during the 180 sports modes?
It provides continuous optical heart-rate and SpO tracking on the finger, which is convenient for daily wear but may not match chest-strap precision for high-intensity intervals.
How do I confirm the ring is recording sleep and stress data correctly after the first night?
Open the app in the morning; a completed sleep graph with heart-rate variability and stress trends indicates the sensors worked through the night.
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