We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Black smart ring with 1.04 inch AMOLED screen

HTC R11M Smart Ring Black 1.04" AMOLED 64 MB 5.9 L x 9.1 W x 10.2 H centimeters

SKU CH-TD5A-KC9ZR

A smart ring that tracks heart rate, blood oxygen, blood pressure and sleep with IP68 waterproofing and a 1.04" AMOLED display

  • ColorBlack
  • TypeSmart Watch
  • SizeLarge
  • CameraRemote Photography, Family Care, Blood Pressure Monitor, Fit
  • SensorsHeart rate, sleep, sleep patterns, blood oxygen, blood press
  • Screen Size1.04"
  • Monitors heart rate, blood oxygen, blood pressure and sleep with built-in optical sensors
  • IP68 rating protects against sweat and water immersion during daily use
  • Up to five days operating time and up to ten days standby on a single charge
  • Remote photography control and health data sharing via companion app at no extra fee
  • Compact 1.04" AMOLED display with 64 MB storage in lightweight resin and stainless steel case

Health tracking ring for daily wear

The HTC R11M smart ring monitors heart rate, blood oxygen, blood pressure and sleep patterns using built-in optical sensors. An SC7A20H accelerometer records steps, calories and distance for running, cycling and yoga. It connects via Bluetooth to iPhone and Android devices with no application fee. The 1.04" AMOLED display and 64 MB storage support data review on the finger.

Sustained daily use and battery life

Regular use delivers approximately three to five days of operation while standby extends to seven to ten days. The IP68 rating protects the electronics against sweat and water immersion during hand washing. Continuous sensor sampling and Bluetooth sync maintain steady performance across multi-day periods without thermal throttling or data gaps.

Simple setup with sizing care

The resin and stainless steel case slides onto the chosen finger size for secure all-day wear. Pairing is completed through the companion app on iOS or Android. The main installation issue is selecting an incorrect ring size, which affects sensor contact and comfort. Two charging options are provided to keep downtime minimal.

Highlights

  • Monitors heart rate, blood oxygen, blood pressure and sleep with built-in optical sensors
  • IP68 rating protects against sweat and water immersion during daily use
  • Up to five days operating time and up to ten days standby on a single charge
  • Remote photography control and health data sharing via companion app at no extra fee
  • Compact 1.04" AMOLED display with 64 MB storage in lightweight resin and stainless steel case

Specifications

BrandHTC
ModelR11M
ColorBlack
TypeSmart Watch
SizeLarge
CameraRemote Photography, Family Care, Blood Pressure Monitor, Fitness and Activity Tracker, Blood Oxygen Monitor, Heart Rate Monitor, Sleep TrackerFitness and Activity Tracker, Sleep Tracker
SensorsHeart rate, sleep, sleep patterns, blood oxygen, blood pressure, wave-to-snap, family care
Screen Size1.04"
Display TechnologyAMOLED
Storage Expansion64 MB
Wearable EC Max Card Capacity64 MB
ConnectivityBluetooth, bluetooth
BluetoothBluetooth
Operating Time5 days
Standby Time5 days
SpecificationRemote Photography, Family Care, Blood Pressure Monitor, Fitness and Activity Tracker, Blood Oxygen Monitor, Heart Rate Monitor, Sleep TrackerFitness and Activity Tracker, Sleep Tracker, UniJethro, R11M
FeaturesHeart Rate Monitor
Height5.9 L x 9.1 W x 10.2 H centimeters
Width5.9 L x 9.1 W x 10.2 H centimeters
Depth5.9 L x 9.1 W x 10.2 H centimeters
Weight0.2 pounds

Questions about this item

How much power does the 1.04" AMOLED ring draw when worn continuously for days?

The ring delivers approximately 3-5 days of regular use and up to 7-10 days in standby before needing a recharge.

Which phone operating systems and Bluetooth versions are required to pair with the HTC R11M?

It connects via Bluetooth to both iPhone and Android devices; the companion app is free with no subscription fee.

Will the IP68-rated ring stay accurate if I keep using my older phone for data sync?

Yes, the IP68 rating protects against sweat and water immersion, and Bluetooth sync works with older iPhone and Android handsets running the free app.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.