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Black smart ring with micro-matte finish, slim 7mm band, fingerprint resistant design

HTC Smart Ring 2.0 Black Large

SKU CH-SM6A-6ZVE8

Tracks heart rate, blood oxygen, blood pressure, sleep and 187 sports modes with a scratch-resistant finish and three-day battery life

  • ColorBlack
  • TypeSmart Watch
  • SizeLarge
  • CameraActivity Tracker
  • Storage Expansion1 MB
  • Wearable EC Max Card Capacity1 MB
  • Monitors heart, oxygen, pressure and stress every 30 minutes for continuous wellness tracking
  • Automatic 24-hour sleep analysis captures deep, light, REM stages and wake times for precise insights
  • Tracks 187 sports modes and syncs exercise data to the free app automatically
  • Upgraded AB2026B3 chip delivers higher accuracy, faster response and lower power consumption
  • Micro-matte finish resists fingerprints and scratches while the 7 mm width keeps the ring lightweight

Smart Ring 2.0 for continuous health tracking

The HTC Smart Ring 2.0 in Black Large is a wearable activity tracker that monitors heart rate, blood oxygen, blood pressure, stress and sleep stages automatically every 30 minutes. It connects via Bluetooth and syncs data to a free companion app. The slim 7 mm band uses a micro-matte finish to resist scratches and fingerprints. Operating time and standby time are each listed as 3 days.

Upgraded chip and sensors over earlier versions

This 2.0 model introduces the AB2026B3 core chip paired with a 5.0 sensor for higher accuracy, faster response and lower power use compared with previous rings. The jump is worth it if you want 24-hour automatic sleep monitoring with deep, light and REM stage breakdown, plus 187 sports modes that auto-record activities such as running, boxing and water sports. Buyers who only need basic step counting will not benefit from the expanded sensor suite.

Simple Bluetooth pairing with sizing preparation

Installation consists of pairing the ring to the app over Bluetooth after selecting the correct size. The manufacturer recommends using a sizing kit or measuring finger circumference before purchase because the Large ring cannot be resized. What usually goes wrong is choosing a size that feels tight or loose, which affects sensor contact and comfort during sleep or exercise. Turning off sports modes after each session helps preserve the 3-day battery window.

Highlights

  • Monitors heart, oxygen, pressure and stress every 30 minutes for continuous wellness tracking
  • Automatic 24-hour sleep analysis captures deep, light, REM stages and wake times for precise insights
  • Tracks 187 sports modes and syncs exercise data to the free app automatically
  • Upgraded AB2026B3 chip delivers higher accuracy, faster response and lower power consumption
  • Micro-matte finish resists fingerprints and scratches while the 7 mm width keeps the ring lightweight

Specifications

BrandHTC
ModelSmart Ring
Part Numberfitbit ultrahuman oura ring gen4 air
ColorBlack
TypeSmart Watch
SizeLarge
CameraActivity Tracker
Storage Expansion1 MB
Wearable EC Max Card Capacity1 MB
ConnectivityBluetooth
BluetoothBluetooth
Operating Time3 days
Standby Time3 days
SpecificationActivity Tracker, Milavan, Dongguan Huikang Intelligent Technology Co., Ltd., Smart Ring, TK20, fitbit ultrahuman oura ring gen4 air
Height4.3942 L x 7.5946 W x 7.6962 H centimeters
Width4.3942 L x 7.5946 W x 7.6962 H centimeters
Depth4.3942 L x 7.5946 W x 7.6962 H centimeters
Weight3.85 ounces

Questions about this item

What size ring should I order to ensure the 7.6962 cm height fits my finger?

Use the sizing kit or measure your finger circumference against the size chart before ordering the Large model.

How do I pair the ring with the app using Bluetooth and the AB2026B3 chip?

Enable Bluetooth on your phone, open the free app, and follow the on-screen pairing steps; the chip handles the connection automatically.

How often should I recharge the ring given the 3-day operating time?

Expect to recharge every three days with continuous monitoring; turn off sports tracking after use to extend battery life.

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