No monthly fees
You buy the ring and pay nothing extra. No hidden monthly fees.
We present to you the world’s very first smart ring with contactless payments! This is what the fusion of style and 21st-century technology looks like. It tracks your activity, health, and sleep quality. Read more
custom.mbankSmartSpecialOne ring for all your flows. Workflow, cashflow, and mindflow. It can do everything you need during the day. It monitors your rest, any activity, and your overall wellbeing. And wherever you are, you can pay just by holding your finger.
Until December 31, 2025, only Czech and Slovak mBank clients can pay with the ring. More information about the collaboration is available on the mBank website.
You buy the ring and pay nothing extra. No hidden monthly fees.
The app is available in Czech and can be switched to Slovak, English, and Polish.
The app is available for iOS and Android and can be connected to Apple Health and Health Connect.
You'll know when to slow down and when to push yourself. Smart sensors in the ring read your body 24/7. Red, green, and infrared LEDs and a digital sensor in the core of the ring monitor your health, sleep, and sports performance. Advanced technologies measure a range of metrics – from sleep quality and stress levels to activity performance.
Now you'll fully understand your body's language. Sensors on the ring accurately monitor your heart rate, blood oxygenation, temperature, and stress levels. You'll find the collected data neatly organized on your phone.
It measures heart rate variability (HRV) as well as your heart rate and blood oxygenation.
Find out what stresses you during the day and when and how you recover best.
An elevated temperature alerts you to increasing stress, impending illness, or menstruation.
Why do you sometimes feel great in the morning and other times like you've hit a wall? With this ring, you'll understand. It measures the length and quality of your sleep and its individual phases. In the morning, it shows you your overall score and creates a detailed sleep profile.
Your sleep score shows you how well you rested. Are you going to go full speed ahead today, or take it easy?
It knows when you are resting. It recognizes light, deep, and REM sleep, as well as the time when you are just tossing and turning.
You sleep, it monitors your temperature, blood oxygenation, and heart rate variability (HRV).
Finally start doing THAT sport you've been putting off for so long. Niceboy ONE Ultra will accompany you in more than 150 activities. It will also measure your steps, calories, heart rate, and blood oxygenation. You'll see in black and white how you're improving your fitness.
How much are you moving today? Your score will tell you straight up: on a scale of 1 to 100.
Set your steps, calories, and distance. The ring will tell you if you're on track or need to step it up.
Exercise smartly. The overview shows you the measured distance, pace, and heart rate zones.
You can see your payments and activity in the mobile app. You can connect your payment card to your phone via the Niceboy Pay app. It works for both Android and iOS. The ring pays for itself: no internet, no phone, contactless. Download the Niceboy ONE app for the ring's smart features. Activities, health statistics, sleep, personal goals – everything the ring measures and monitors is clearly displayed in one place. Both apps are available in Czech and Slovak.
Pay contactless and completely securely Touch the terminal and beep. Paid! The smart payment ring pays contactless via NFC. We also replace payment card details with a unique token that does not carry any sensitive information. This gives you complete control over your money.
We encrypt every payment with a token that protects your data.
You can pay with it literally anytime. Even when the ring's battery shows 0%.
What's more, you can make payments without a cell phone or internet connection.
It can handle a week non-stop at full capacity. Then put it on the charging case and in 4 hours it's ready for action again. You can pay with it anytime – yes, even when it's completely discharged. 0% battery and payments still work! The only time you really can't make a transaction with it would be if your account balance is insufficient.
Smart on the inside, tough on the outside. The ring can handle a full day's work with you. An hour at the gym, then work in the garden, afternoon shopping, and evening relaxation in the hot tub.
You can wash dishes with it, swim in the pool, or even take a hot bath at home.
Even if you have sensitive skin, you can wear 21st-century technological gadgets.
Durable zirconia ceramic is not easily scratched.
This isn't just any Niceboy ring. To help you make the right choice the first time, we've done the thinking for you. We'll send you our sizing kit with different ring sizes to try on. You choose the size that fits you best. Then you can order it with confidence.
I want a size kit>
Here you can find tutorial, software, apps, updates and FAQs about this product.
| BT: | 5.3 (2.4 GHz) |
| NFC: | 14.5-14.9 GHz |
| Radio frequency power: | ≤ 2.5mW |
| Charging case input voltage: | 5V / 1A |
| Smart ring input voltage: | 5V / 0.2A |
| Charging case battery: | 200 mAh |
| Smart ring battery: | 18 mAh |
| Water resistance: | 5 ATM |
| Charging case input connector: | USB-C |
| Compatible OS: | Android, iOS |
| Package contents: |
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IN STOCK > 5, immediately to dispatch
We present to you the world’s very first smart ring with contactless payments! This is what the fusion of style and 21st-century technology looks like. It tracks your activity, health, and sleep quality. With the sizing kit, you’ll find your perfect fit and be ready for a ring that can do it all – even payments.
IN STOCK > 5, immediately to dispatch
This isn't just any Niceboy ring. To make sure you get it right the first time, get our sizing kit with different ring sizes. First, choose the size that fits you. Then you can order it with confidence.
IN STOCK > 5, immediately to dispatch
We present to you the world’s very first smart ring with contactless payments! This is what the fusion of style and 21st-century technology looks like. It tracks your activity, health, and sleep quality.
IN STOCK > 5, immediately to dispatch
We present to you the world’s very first smart ring with contactless payments! This is what the fusion of style and 21st-century technology looks like. It tracks your activity, health, and sleep quality.