ONE Ultra + Sizing Kit
Payment rings

ONE Ultra + Sizing Kit. The world's first smart payment ring.

We're introducing the world's very first smart ring with contactless payments! This is what the combination of style and 21st-century technology looks like. It measures activity, health, and sleep quality too. With the sizing kit, you'll choose the exact size and be ready for a ring that can do it all, including payments.

Selling price727,00 zł
Variant:
Niceboy ONE Ultra set + FREE Sizing kit
Niceboy ONE Ultra set + FREE Sizing kit Niceboy ONE Ultra set + FREE Sizing kit
Niceboy ONE Ultra ring Niceboy ONE Ultra ring
Sizing Kit Sizing Kit

How to choose a ring correctly?

It's not rocket science. To successfully choose, you just need these 4 steps.

Step 1: Buy Niceboy ONE Ultra + Sizing Kit

Niceboy ONE Ultra is different from our other rings. To avoid ordering blindly, add a sizing kit (size sample) to your cart along with the ring. It normally costs 149 crowns, but you’ll get it for free when you buy it with the ring.

Step 2: After your purchase, a sizing kit will be delivered to you

Within 2 business days, a sizing kit will arrive at your home and an email with a code to buy the ring for 1 crown. You can try everything at home in peace and order the ring with confidence.

Step 3: Find out your size

Did the sizing kit arrive? Unpack it and try on which size fits you best. Take your time. Feel free to wear several on both hands all day long.

Step 4: Order the ring for 1 crown

Now you know what size to choose. Order the ring on the e-shop for 1 crown. In the last step of the purchase, just enter the code and the amount will be automatically adjusted for you. Done!

Niceboy ONE Ultra + Free Sizing Kit
In stock
📦In 2 business days to you
🚚You get free shipping on this product
Description

The world's first smart ring that can do everything. Even payments

One ring for every flow of yours. Workflow, cashflow and mindflow. It can do everything you need during the day. It watches over your rest, any activity and your overall wellbeing. And wherever you are, you pay just by holding up your finger.

one-ultra-layout-01

Ring payments support these cards and banks

Does your bank or card not support payments with the Niceboy ONE Ultra ring?
Download the Curve app to your phone. Through it, you can connect your payment ring with most banks and cards.

No monthly fees

You buy the ring and pay nothing extra. No hidden monthly fees.

ico-Mluvim-vasim-jazykem

Speaks your language

The app is available in Czech and can be switched to Slovak, English, and Polish.

ico-iOS-i-Android

Will it connect to both iOS and Android?

The app is available for iOS and Android and can be connected to Apple Health and Health Connect.

A smart ring brimming with health indicators

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.

one-ultra-layout-02

Finally, you'll understand what your body is telling you

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.

one-ultra-layout-03
ico-Zdravi-srdce

Monitors heart health

It measures heart rate variability (HRV) as well as your heart rate and blood oxygenation.

ico-stres

Alerts you to stress

Find out what stresses you during the day and when and how you recover best.

ico-Teplota

Measures temperature

An elevated temperature alerts you to increasing stress, impending illness, or menstruation.

Experience the best sleep of your life

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.

one-ultra-layout-04
ico-Kvalita-spanku

Overall assessment of sleep quality

Your sleep score shows you how well you rested. Are you going to go full speed ahead today, or take it easy?

ico-Faze-spanku

It tracks individual phases

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.

ico-Zdravi-v-noci

It monitors your health even at night

You sleep, it monitors your temperature, blood oxygenation, and heart rate variability (HRV).

Measure your performance in 150+ sports and activities

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.

one-ultra-layout-05

Calculates your activity score

How much are you moving today? Your score will tell you straight up: on a scale of 1 to 100.

ico-Denni-cile

Helps you meet your daily goals

Set your steps, calories, and distance. The ring will tell you if you're on track or need to step it up.

ico-Statistika-pohybu

Detailed movement statistics

Exercise smartly. The overview shows you the measured distance, pace, and heart rate zones.

Pay without risk

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.

one-ultra-layout-06

Touch and beep

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.

one-ultra-layout-07
ico-sifrovane-platby

Encrypted payments

We encrypt every payment with a token that protects your data.

ico-Plati-i-vybity

Works even when dead

You can pay with it literally anytime. Even when the ring's battery shows 0%.

ico-Funguje-offline

Works offline

What's more, you can make payments without a cell phone or internet connection.

Lasts up to 7 days without charging

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.

one-ultra-layout-08

Ready for everyday life

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.

one-ultra-layout-09
ico-Vodotesne

Waterproof 5ATM

You can wash dishes with it, swim in the pool, or even take a hot bath at home.

ico-Nabijeni

A hypoallergenic ring

Even if you have sensitive skin, you can wear 21st-century technological gadgets.

iko-odolny-a-lehky

Durable and lightweight

Durable zirconia ceramic is not easily scratched.

We'll help you choose the right size

This isn’t just any other Niceboy ring. So you get the right size on the first try, we’ve done the work for you. We’ll send you our Sizing Kit with different ring sizes to try. You choose the size that fits you. Then you order that one for sure.

I want a sizing kit →

one-ultra-layout-10

The world's first smart ring that can do everything. Even payments

One ring for every flow of yours. Workflow, cashflow and mindflow. It can do everything you need during the day. It watches over your rest, any activity and your overall wellbeing. And wherever you are, you pay just by holding up your finger.

one-ultra-layout-01

Ring payments support these cards and banks

Does your bank or card not support payments with the Niceboy ONE Ultra ring?
Download the Curve app to your phone. Through it, you can connect your payment ring with most banks and cards.

No monthly fees

You buy the ring and pay nothing extra. No hidden monthly fees.

ico-Mluvim-vasim-jazykem

Speaks your language

The app is available in Czech and can be switched to Slovak, English, and Polish.

ico-iOS-i-Android

Will it connect to both iOS and Android?

The app is available for iOS and Android and can be connected to Apple Health and Health Connect.

A smart ring brimming with health indicators

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.

one-ultra-layout-02

Finally, you'll understand what your body is telling you

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.

one-ultra-layout-03
ico-Zdravi-srdce

Monitors heart health

It measures heart rate variability (HRV) as well as your heart rate and blood oxygenation.

ico-stres

Alerts you to stress

Find out what stresses you during the day and when and how you recover best.

ico-Teplota

Measures temperature

An elevated temperature alerts you to increasing stress, impending illness, or menstruation.

Experience the best sleep of your life

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.

one-ultra-layout-04
ico-Kvalita-spanku

Overall assessment of sleep quality

Your sleep score shows you how well you rested. Are you going to go full speed ahead today, or take it easy?

ico-Faze-spanku

It tracks individual phases

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.

ico-Zdravi-v-noci

It monitors your health even at night

You sleep, it monitors your temperature, blood oxygenation, and heart rate variability (HRV).

Measure your performance in 150+ sports and activities

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.

one-ultra-layout-05

Calculates your activity score

How much are you moving today? Your score will tell you straight up: on a scale of 1 to 100.

ico-Denni-cile

Helps you meet your daily goals

Set your steps, calories, and distance. The ring will tell you if you're on track or need to step it up.

ico-Statistika-pohybu

Detailed movement statistics

Exercise smartly. The overview shows you the measured distance, pace, and heart rate zones.

Pay without risk

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.

one-ultra-layout-06

Touch and beep

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.

one-ultra-layout-07
ico-sifrovane-platby

Encrypted payments

We encrypt every payment with a token that protects your data.

ico-Plati-i-vybity

Works even when dead

You can pay with it literally anytime. Even when the ring's battery shows 0%.

ico-Funguje-offline

Works offline

What's more, you can make payments without a cell phone or internet connection.

Lasts up to 7 days without charging

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.

one-ultra-layout-08

Ready for everyday life

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.

one-ultra-layout-09
ico-Vodotesne

Waterproof 5ATM

You can wash dishes with it, swim in the pool, or even take a hot bath at home.

ico-Nabijeni

A hypoallergenic ring

Even if you have sensitive skin, you can wear 21st-century technological gadgets.

iko-odolny-a-lehky

Durable and lightweight

Durable zirconia ceramic is not easily scratched.

We'll help you choose the right size

This isn’t just any other Niceboy ring. So you get the right size on the first try, we’ve done the work for you. We’ll send you our Sizing Kit with different ring sizes to try. You choose the size that fits you. Then you order that one for sure.

I want a sizing kit →

one-ultra-layout-10

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