1. ホームページ
    2. /
  2. スポーツ・アウトドア・フィットネス
    3. /
  3. フィットネス・エクササイズ
    4. /
  4. フィットネストラッカー

配達

配達期間は店舗や国によって大きく異なります。配送に関しての詳細について配送ポリシー

価格帯

JPY
-

Buy Fitness Trackers Online in Japan

並び替え
|
オリジナル（原文）を見て下さい。
WHOOP 5.0/MG Activity Tracker - 12 Month Membership - Health and Fitness Wearable 24/7 Activity and Sleep Tracker, Personalized Coaching, Menstrual Cycle Insights 14+ Days Battery Life
US 店舗
WHOOP

WHOOP 5.0/MG Activity Tracker - 12 Month Membership - Health and Fitness Wearable ...
3.9

3k+ 購入済み

JPY 72206

4% オフ
SAMSUNG Galaxy FIT 3 [2025, 40MM] 1.6" AMOLED Display | IP68 Water Resistant | 14 Days Battery Life | 100+ Watchfaces | 100+ Exercise Modes | International Model Fast Charger Bundle, Black
US 店舗
Samsung

SAMSUNG Galaxy FIT 3 [2025, 40MM] 1.6" AMOLED Display | IP68 Water Resistant | 14 ...
4.4

3k+ 購入済み

JPY 9545 9963

3% オフ
SAMSUNG Galaxy FIT 3 [2024] 1.6" AMOLED Display | 14 Days Battery Life | 100+ Watchfaces | 100+ Exercise Modes | International Model - Gray
US 店舗
Samsung

SAMSUNG Galaxy FIT 3 [2024] 1.6" AMOLED Display | 14 Days Battery Life | 100+ ...
4.4

2k+ 購入済み

JPY 9520 9864

6% オフ
Upright GO 2 Premium | Posture Trainer & Tracker for Women & Men with Smart App
US 店舗
Upright GO

Upright GO 2 Premium | Posture Trainer & Tracker for Women & Men with Smart App
3.8

2k+ 購入済み

JPY 17520 18703

FITVII Health & Fitness Tracker Answer/Make Calls, Smart Watch with 24/7 Heart Rate and Blood Pressure, Sleep Tracking, Blood Oxygen Monitor, 120+ Sport Modes Activity Tracker for Women Men
US 店舗
FITVII

FITVII Health & Fitness Tracker Answer/Make Calls, Smart Watch with 24/7 Heart Rate ...
4

1k+ 購入済み

JPY 10757

11% オフ
Google Fitbit Inspire 3 - Morning Glow/Black - Small and Large Bands
US 店舗
Fitbit

Google Fitbit Inspire 3 - Morning Glow/Black - Small and Large Bands
4.2

1k+ 購入済み

JPY 18514 20692

Upright Magnetic Necklace Necklace Only for GO S and GO 2 Posture Trainer
US 店舗
Upright GO

Upright Magnetic Necklace Necklace Only for GO S and GO 2 Posture Trainer
4.2

1k+ 購入済み

JPY 5787

Fitness Tracker with 24/7 Heart Rate Blood Pressure, Activity Trackers Sleep Monitor IP68 Waterproof, 1.10" AMOLED Touch Screen Calorie Step Counter Pedometer for Women Men
US 店舗
Bakoor

Fitness Tracker with 24/7 Heart Rate Blood Pressure, Activity Trackers Sleep ...
3.4

800+ 購入済み

JPY 6580

Fitness Tracker with 24/7 Heart Rate, Activity Trackers with Blood Pressure Sleep Monitor, 1.10" AMOLED Screen Step Tracker, Waterproof Step Counter, Health Smart Watch Pedometer for Women Men
US 店舗
Bakoor

Fitness Tracker with 24/7 Heart Rate, Activity Trackers with Blood Pressure Sleep ...
4.4

800+ 購入済み

JPY 6580

MorePro Health Fitness Tracker, 24/7 Heart Rate Monitor with Blood Pressure, Blood Oxygen, Sleep Tracking, IP68 Waterproof Activity Trackers with Step Counter, Compatible with iOS Android
US 店舗
MorePro

MorePro Health Fitness Tracker, 24/7 Heart Rate Monitor with Blood Pressure, Blood ...
3.3

500+ 購入済み

JPY 10757

XIAOMI Mi Smart Band 10 2025 Global Version - 1.72" AMOLED Display | 21 Days Battery Life | Touchscreen, Multi-Sport Tracker, Activity Tracker, Heart Rate Monitor | BT5.4 - Glacier Silver
US 店舗
XIAOMI

XIAOMI Mi Smart Band 10 2025 Global Version - 1.72" AMOLED Display | 21 Days ...
4.3

500+ 購入済み

JPY 11353

13% オフ
Fitness Tracker Activity Tracker Smart Watch 1.10AMOLED Touch Color Screen,Smart Watch with 24/7 Blood Oxygen Heart Rate,Sleep Monitor,IP68 Waterproof,Step Counter Health for Women Men Black
US 店舗
YBYHFAA

Fitness Tracker Activity Tracker Smart Watch 1.10AMOLED Touch Color Screen,Smart ...
4.2

500+ 購入済み

JPY 5705 6580

Fitbit Charge 6 Fitness Tracker Bundle Black/Obsidian Heart Rate, GPS, Sleep & Stress Tracking + Fast Charger, Cleaning Cloth Black
US 店舗
Fitbit

Fitbit Charge 6 Fitness Tracker Bundle Black/Obsidian Heart Rate, GPS, Sleep & ...
3.8

500+ 購入済み

JPY 30643

BIGGERFIVE Vigor Kids Fitness Tracker Watch AMOLED Screen, 3ATM Waterproof
US 店舗
BIGGERFIVE

BIGGERFIVE Vigor Kids Fitness Tracker Watch AMOLED Screen, 3ATM Waterproof
4.1

500+ 購入済み

JPY 7972

25% オフ
Fitness Tracker with Heart Rate/Blood Oxygen/Sleep Monitor, 20+ Sports Modes Smart Watches for Women/Men, Activity & Step Tracker Smart Watch for Android/iOS Phones
US 店舗
TROTY

Fitness Tracker with Heart Rate/Blood Oxygen/Sleep Monitor, 20+ Sports Modes Smart ...
3.4

500+ 購入済み

JPY 6580 8768

9% オフ
Zeacool Fitness Tracker with 24/7 Heart Rate, Blood Oxygen Blood Pressure Sleep Monitor, Activity Trackers 5 ATM Waterproof,Step Calorie Counter Pedometer Health Smart Watch for Women Men
US 店舗
Zeacool

Zeacool Fitness Tracker with 24/7 Heart Rate, Blood Oxygen Blood Pressure Sleep ...
3.8

500+ 購入済み

JPY 5984 6580

Fitbit Inspire 3 Health & Fitness Activity Tracker Black with Workout Intensity, Sleep Tracking, Heart Rate, S & L Bands, 3.3foot Charging Cable, Wall Adapter, Screen Protectors & PremGear Cloth
US 店舗
Fitbit

Fitbit Inspire 3 Health & Fitness Activity Tracker Black with Workout Intensity, ...
4.2

500+ 購入済み

JPY 21694

Fitness Tracker with Heart Rate Blood Oxygen Blood Pressure Sleep Monitor Step Calorie Counter Pedometer
US 店舗
Mindrose

Fitness Tracker with Heart Rate Blood Oxygen Blood Pressure Sleep Monitor Step ...
4

500+ 購入済み

JPY 14734

Fitbit Inspire 3 Health & Fitness Tracker Bundle - with Stress Management, Workout Intensity, Sleep Tracking, 24/7 Heart + 2 Silicone Bands, 2 Screen Protectors, Cleaning Cloth & Fast Charger
US 店舗
Fitbit

Fitbit Inspire 3 Health & Fitness Tracker Bundle - with Stress Management, Workout ...
4

500+ 購入済み

JPY 22688

9% オフ
Garmin Venu 4, Advanced Fitness Smartwatch, 41mm, Bone Silicone
US 店舗
Garmin

Garmin Venu 4, Advanced Fitness Smartwatch, 41mm, Bone Silicone
4.5

500+ 購入済み

JPY 100244 110187

17% オフ
Fitness Tracker Watch with Heart Rate Monitor, Activity Tracker with Pedometer, Sleep Monitor, Calories & Step Counter, 5ATM Waterproof Smart Watch for Women Men Health Fitness Watch for Sports, Pink
US 店舗
LIVIKEY

Fitness Tracker Watch with Heart Rate Monitor, Activity Tracker with Pedometer, ...
3.8

400+ 購入済み

JPY 3995 4791

Fitness Tracker Watch with Heart Rate, Activity Tracker, Pedometer Watch
US 店舗
LIVIKEY

Fitness Tracker Watch with Heart Rate, Activity Tracker, Pedometer Watch
3.9

400+ 購入済み

JPY 4791

Fitness Tracker, No Bluetooth No APP/Phone Needed, 1.8" Fitness Watch
US 店舗
Cloudpoem

Fitness Tracker, No Bluetooth No APP/Phone Needed, 1.8" Fitness Watch
3.8

400+ 購入済み

JPY 8768

14% オフ
Pavlok 3 Sports Black App-Controlled Silent Alarm & Habit Trainer Wearable Chime/Vibration/Adjustable Zap Includes Plus Lifetime Access Steps & Sleep Tracking
US 店舗
Pavlok

Pavlok 3 Sports Black App-Controlled Silent Alarm & Habit Trainer Wearable ...
3.6

400+ 購入済み

JPY 31637 36608

Fitness Tracker with 24/7Heart Rate, Blood Pressure, Sleep Tracking,Calorie
US 店舗
Moremore

Fitness Tracker with 24/7Heart Rate, Blood Pressure, Sleep Tracking,Calorie
3.9

300+ 購入済み

JPY 6779

FITVII Slim Fitness Tracker with Blood Oxygen, Blood Pressure, 24/7 Heart Rate and Sleep Tracking, IP68 Waterproof Activity Trackers and Smart Watches with Step Tracker, Pedometer for Women Men
US 店舗
FITVII

FITVII Slim Fitness Tracker with Blood Oxygen, Blood Pressure, 24/7 Heart Rate and ...
3.9

300+ 購入済み

JPY 10757

Samsung Galaxy Watch Ultra 2025 64GB, 47mm, Unlocked LTE AI Smartwatch with 1.5" AMOLED, Wi-Fi, Bluetooth, Heart Rate, GPS Fitness Tracker, International Model Fast Charger Cube Bundle, Blue
US 店舗
Samsung

Samsung Galaxy Watch Ultra 2025 64GB, 47mm, Unlocked LTE AI Smartwatch with 1.5" ...
4.4

300+ 購入済み

JPY 69420

Smart Activity Fitness Tracker, Heart Rate Sleep Monitor, 120+ Sport Modes, 30-Day Battery, GPS Tracking, 2 Bands Gold & Pink
US 店舗
ganopterygon

Smart Activity Fitness Tracker, Heart Rate Sleep Monitor, 120+ Sport Modes, 30-Day ...
3.2

300+ 購入済み

JPY 4791

15% オフ
Fitness Tracker with 24/7 Heart Rate Blood Oxygen Sleep Monitor
US 店舗
Mindrose

Fitness Tracker with 24/7 Heart Rate Blood Oxygen Sleep Monitor
3.6

300+ 購入済み

JPY 6779 7972

Fitness Tracker Heart Rate Blood Oxygen Blood Pressure Temp Sleep Calorie
US 店舗
VUHIGIB

Fitness Tracker Heart Rate Blood Oxygen Blood Pressure Temp Sleep Calorie

200+ 購入済み

JPY 5962

Cloudpoem Fitness Tracker, Fitness Watches for Men Women with 24/7 Heart Rate Monitor Sleep Tracker Step/Calorie Counter Stopwatch Pedometer IP68 Waterproof Dark Black
US 店舗
Cloudpoem

Cloudpoem Fitness Tracker, Fitness Watches for Men Women with 24/7 Heart Rate ...
3.6

200+ 購入済み

JPY 3995

Garmin vivosmart 5, Health & Fitness Tracker, S-M, Cool Mint
US 店舗
Garmin

Garmin vivosmart 5, Health & Fitness Tracker, S-M, Cool Mint
3.9

200+ 購入済み

JPY 30643

Garmin BounceTM 2, Kids Smartwatch, Calling & Texting, 43mm, Light Purple
US 店舗
Garmin

Garmin BounceTM 2, Kids Smartwatch, Calling & Texting, 43mm, Light Purple
3.2

200+ 購入済み

JPY 60472

5% オフ
Smart Watch Fitness Tracker, Bluetooth Call, Health Monitor for Men Women
US 店舗
SOUYIE

Smart Watch Fitness Tracker, Bluetooth Call, Health Monitor for Men Women
4.2

200+ 購入済み

JPY 17995 18910

Smart Bracelet Health and Fitness Tracker No Subscription Fees Black
US 店舗
QYZHARYX

Smart Bracelet Health and Fitness Tracker No Subscription Fees Black
3.7

200+ 購入済み

JPY 12719

Advanced Health Smartwatch for Women Men with Real-Time Monitoring of Heart Rate, Blood Oxygen, Body Temperature, Blood Pressure, Sleep Auality and Stress Levels Blue
US 店舗
hellibito

Advanced Health Smartwatch for Women Men with Real-Time Monitoring of Heart Rate, ...
3.8

200+ 購入済み

JPY 18514

Amzhero Health Fitness Tracker with 24/7 Heart Rate, Blood Oxygen, Blood Pressure, Sleep Tracker, 5ATM Waterproof Activity Trackers with Step Tracker, Pedometer S & L Bands Included
US 店舗
Amzhero

Amzhero Health Fitness Tracker with 24/7 Heart Rate, Blood Oxygen, Blood Pressure, ...
3.7

200+ 購入済み

JPY 10757

Fitbit Inspire 2 Health & Fitness Tracker with a Free 1-Year Fitbit Premium Trial, 24/7 Heart Rate, Black/Black, One Size S & L Bands Included
US 店舗
Fitbit

Fitbit Inspire 2 Health & Fitness Tracker with a Free 1-Year Fitbit Premium Trial, ...
4.4

200+ 購入済み

JPY 17319

Health Smart Bracelet, Activity & Fitness Trackers/SpO2/ Heart Rate/Blood Pressure/Sleep Stress/IP68 Waterproof for120 Sport Modes,Automatic Monitoring Wearable Fitness Tracker with Free App
US 店舗
PLKYYLIH

Health Smart Bracelet, Activity & Fitness Trackers/SpO2/ Heart Rate/Blood ...
4.1

200+ 購入済み

JPY 12546

4% オフ
CASCHO Smart Watches for Women Android/iOS, 1.85" HD Smart Watch with Calls/Messages/AI Voice Control, Sleep/Heart Rate Monitor,120+ Sports Modes Fitness Tracker Watch, Rose Gold with 2 Bands
US 店舗
CASCHO

CASCHO Smart Watches for Women Android/iOS, 1.85" HD Smart Watch with ...
4.1

100+ 購入済み

JPY 6197 6481

Slim Design Fitness Tracker, No App No Phone Required, Long Battery Life
US 店舗
DAVIKO

Slim Design Fitness Tracker, No App No Phone Required, Long Battery Life
3.8

100+ 購入済み

JPY 4791

4% オフ
Smart Watch for Men Women,1.85" HD Fitness Tracker with Bluetooth Calls/ AI Voice Control, 120+Sports Modes, Heart Rate/Sleep Monitor, Pedometer, Calories, Waterproof Smartwatch for Android iOS Black
US 店舗
CASCHO

Smart Watch for Men Women,1.85" HD Fitness Tracker with Bluetooth Calls/ AI Voice ...
4.3

100+ 購入済み

JPY 4562 4761

Smart Bracelet Fitness Trackers for Men Women, Smart Watch 24/7 Heart Rate Sleep Stress HRV Monitor, 170+ Sports Modes, 2 Bands, Free APP
US 店舗
qiunhang

Smart Bracelet Fitness Trackers for Men Women, Smart Watch 24/7 Heart Rate Sleep ...
4

100+ 購入済み

JPY 8569

Wrist Monitor Surgical-Grade Stainless Steel, 7-Day Battery Life
US 店舗
TBMMTBMM

Wrist Monitor Surgical-Grade Stainless Steel, 7-Day Battery Life
2

100+ 購入済み

JPY 8571

Fitbit Inspire 3 Fitness Tracker Advanced Health Insights with Stress Management, Workout Intensity & Sleep Tracking, 24/7 Heart Rate, Includes Small and Large Classic Bands Lilac Bliss/Black
US 店舗
Fitbit

Fitbit Inspire 3 Fitness Tracker Advanced Health Insights with Stress Management, ...
4.4

100+ 購入済み

JPY 18514

Fitness Tracker, Smart Watches for Women Men with 24/7 Heart Rate/Blood Pressure/Blood Oxygen Monitor, Sleep Tracker, Calories&Step Counter, IP68 Waterproof Health Activity Trackers for Android&iPhone
US 店舗
RLQA

Fitness Tracker, Smart Watches for Women Men with 24/7 Heart Rate/Blood ...
4.3

100+ 購入済み

JPY 8768

Shop Smart Fitness Trackers Online from Ubuy Japan to Monitor Your Health

In a fast-paced modern lifestyle, taking care of your health is extremely necessary. But how can you do that without compromising work and personal responsibilities? A fitness tracker is the absolute solution. Monitor your health and fitness through various metrics, such as steps taken, heart rate, sleep patterns, and level of activity. Even some fitness trackers enable you to track your calorie consumption, helping with weight management. Wear them on your wrist and receive instant notifications of severe health issues proactively. Make these fitness tracker watches or bracelets your reliable health companion, and let them track every health metric while you're awake.

We offer a wide range of fitness & exercise tracker watches, bracelets, and wearables from top brands. Browse the entire range of products and import them straight to your doorstep with just a few clicks. 

Exciting Deals and Offers on Fitness Trackers Online

Are you worried about your daily health and fitness? Discover incredible deals and exclusive discounts on a wide variety of fitness trackers from leading international brands. Here are some popular types of fitness trackers you can purchase online.

Basic Fitness Trackers

When you need to track your daily physical activities and calories burned in doing those activities throughout the day, Basic fitness trackers are the best exercise accessories you’ll ever have. Just wear them to assess physical activity metrics, such as steps, distance, and calories burned. 

Some basic fitness trackers also monitor sleep patterns, providing insights about the duration and quality of sleep. Not only steps but several basic fitness trackers also gauge your cycling and running activities as well.

Heart Rate Monitoring Trackers

Want more powerful fitness trackers that focus on your cardiac health? Fitness trackers with heart monitors are the perfect solution. Wrap these wearable fitness trackers on your wrist and record your heart rate.

These fitness tracker watches utilise optical or electrical sensors to detect your heart’s activity. By monitoring and analysing heart rate activity, you can determine which physical tasks or exercises are beneficial and which should be avoided. 

Heart Rate Monitoring Trackers with GPS

If you are an athlete or sports & outdoor fitness person looking for a smart gadget to assist with daily workouts and fitness tracking, heart rate monitoring trackers with GPS are a must-have tool. Track your heart rate during exercises to assess the training intensity and optimise the workout to improve performance.  

The GPS feature provides accurate information about distance, pace, and other metrics during various outdoor activities, such as running, cycling, or hiking. Monitor stress and activity levels by tracking critical vital signs, such as blood oxygen saturation, with these waterproof fitness trackers from brands like Withings. Assess sleep quality and overall health by measuring potential cardiac concerns. 

Smartwatch Fitness Trackers

Several brands, like Coros, offer fitness trackers in the form of smartwatches. This multipurpose approach adds a distinct statement to your personality while keeping you updated on your daily fitness & exercise activities.

Unlike conventional fitness tracker bracelets or bands from brands like Fitbit, these offer a broader range of features, such as SPO2 monitoring and ECG capabilities. Furthermore, the ability to connect with your smartphone enables access to integrated innovative smart features, including notifications, app access, and making calls conveniently. 

Smart Rings

These are similar to smartwatch fitness trackers for men & women but are worn as rings on the finger instead of the wrist. Count the number of steps to track your heartbeat and sleep patterns with detailed insights. Considered a discreet and comfortable alternative to traditional wrist-worn fitness trackers, these are best suited for individuals seeking less obtrusive designs. 

Several fitness tracker rings often feature smartphone connectivity for synchronisation and analysis of monitored health data, allowing you to optimise your everyday schedule accordingly. 

Select the Right Fitness Tracker to Monitor Your Health Goals

Still confused about which fitness tracker should suit you? We have categorised a variety of fitness trackers to help you achieve your everyday health and fitness goals. Browse the curated list and select the ideal fitness tracker for your specific health, outdoor & fitness tracking needs.

Type

Application

Popular Brands

Basic Fitness Trackers

Step counting, sleep tracking, calorie tracking

Xiaomi (Mi Band), Fitbit Inspire, Amazfit Band

Heart Rate Monitoring Trackers

Continuous heart rate monitoring, workout intensity tracking

Fitbit Charge, Garmin Vivosmart, Huawei Band

Heart Rate Monitoring Trackers with GPS

Outdoor running/cycling tracking, distance measurement, route mapping

Garmin Forerunner, Fitbit Charge 5, Polar Ignite

Smartwatch Fitness Trackers

All-in-one: fitness tracking, notifications, apps, health metrics

Apple Watch, Samsung Galaxy Watch, Fitbit Versa

Smart Rings

Discreet fitness and sleep tracking, heart rate, recovery insights

Oura Ring, Ultrahuman Ring, RingConn

Advanced Health Trackers

Blood oxygen, ECG, skin temperature, recovery, stress tracking

WHOOP Strap, Biostrap, Fitbit Sense, Garmin Venu

Kids Fitness Trackers

Basic activity tracking, parental control features, gamification for engagement

Fitbit Ace, Garmin Vivofit Jr., Angel Watch


Take a moment to explore the comprehensive collection of sports & outdoor recreation accessories available here.

Frequently Asked Questions About Fitness Trackers

  • Where Can I Buy Fitness Trackers Online in Japan?

    Ubuy is the perfect online destination to buy a variety of fitness trackers from the leading international brands in Japan.

  • Are Fitness Trackers Safe to Wear All Day?

    Fitness trackers are designed to be non-invasive and are often considered safe to wear all day long.

  • Do Fitness Trackers Work Without an Internet Connection?

    Yes, fitness trackers can function without an internet connection as they store data locally and sync with a device when a connection is available.

  • What is the Best Fitness Tracker?

    Apple smartwatches and Fitbit trackers are some of the best options for fitness trackers you can buy online.

  • Are Fitness Trackers Accurate?

    Fitness trackers can vary in accuracy depending on the type of data they measure. However, most of the fitness trackers show accurate results in controlled settings.