Fitbit Charge 4 Advanced Fitness Tracker
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Fitbit Charge 4 Advanced Fitness Tracker

$100.49

OVERVIEW:
With Fitbit Charge 4, there’s no limit to how far you can go. This sleek, swim-proof tracker is packed with features that help you know your workouts and your body better—like built-in GPS, Active Zone Minutes, SpO2, exercise modes and sleep tracking. Plus, with Fitbit Pay™ and up to 7-day battery, you get more convenience on the go and more inspiration to reach your fitness goals.
FEATURES:
BUILT-IN GPS: During outdoor runs, rides, hikes and more, use built-in GPS to see your pace and distance on Charge 4, then see a mapy of your workout in the Fitbit app.
ACTIVE ZONE MINUTES: Feel a buzz when you reach your target heart rate zones during exercise, and celebrate when you earn extra minutes outside of exercise.
24/7 HEART RATE: Use 24/7 heart rate to track resting heart rate, better measure calorie burn and optimize your workouts.
LONG BATTERY LIFE: With a battery life of up to 7 days–and up to 5 hours when continuously using GPS–Fitbit Charge 4 lets you do more with less charging. (Varies with use and other factors)
GOAL BASED EXERCISE MODES: Go into exercise mode during your favorite workouts to set a goal for each workout and see real-time progress of your effort on screen.
SLEEP STAGES & SLEEP SCORE: Charge 4 tracks your time in light, deep and REM sleep stages and gives you a nightly Sleep Score in the Fitbit app, so you can quickly understand your sleep quality and work toward better rest.
SWIMPROOF: Designed water resistant to 50M, Fitbit Charge 4 automatically tracks swim workouts and can be worn in the shower, pool and beyond.
OXYGEN SATURATION (SPO2) MONITORING: See your SpO2 nightly average and range on wrist, and view trends over the past week in the Fitbit app.2
SKIN TEMPERATURE VARIATION: Track your skin temperature each night to see how it varies from your personal baseline. View your nightly average and trends over the past week in the Health Metrics dashboard.3
NOTIFICATIONS & APPS: Stay connected with call, calendar and smartphone app alerts, text notifications and convenient apps like weather and timer. Plus, send quick replies, Android only. Available when phone is nearby.
SPOTIFY: With the Spotify app, you can control your music, like songs and browse recent playlists & podcasts all from your wrist. Spotify Premium subscription required; not available in all countries.
FITBIT PAY: Load your favorite credit and debit cards to your Wallet in the Fitbit app, then use your Charge 4 to tap and pay for purchases on the go–at transit stations, your favorite stores and more.
*1 Battery life varies with use and other factors; up to 5 hours with continuous GPS.
*2 SpO2 is not available in all markets. The SpO2 feature is not intended to diagnose or treat any medical condition or for any other medical purpose.
*3 Skin temperature variation is not available in all markets. Skin temperature is only available in the Fitbit app and only displays variation. The Health Metrics dashboard and the metrics displayed in the dashboard are not available in all countries. Not intended for medical purposes.

SKU: N/A Category:

Description

OVERVIEW:
With Fitbit Charge 4, there’s no limit to how far you can go. This sleek, swim-proof tracker is packed with features that help you know your workouts and your body better—like built-in GPS, Active Zone Minutes, SpO2, exercise modes and sleep tracking. Plus, with Fitbit Pay™ and up to 7-day battery, you get more convenience on the go and more inspiration to reach your fitness goals.
FEATURES:
BUILT-IN GPS: During outdoor runs, rides, hikes and more, use built-in GPS to see your pace and distance on Charge 4, then see a mapy of your workout in the Fitbit app.
ACTIVE ZONE MINUTES: Feel a buzz when you reach your target heart rate zones during exercise, and celebrate when you earn extra minutes outside of exercise.
24/7 HEART RATE: Use 24/7 heart rate to track resting heart rate, better measure calorie burn and optimize your workouts.
LONG BATTERY LIFE: With a battery life of up to 7 days–and up to 5 hours when continuously using GPS–Fitbit Charge 4 lets you do more with less charging. (Varies with use and other factors)
GOAL BASED EXERCISE MODES: Go into exercise mode during your favorite workouts to set a goal for each workout and see real-time progress of your effort on screen.
SLEEP STAGES & SLEEP SCORE: Charge 4 tracks your time in light, deep and REM sleep stages and gives you a nightly Sleep Score in the Fitbit app, so you can quickly understand your sleep quality and work toward better rest.
SWIMPROOF: Designed water resistant to 50M, Fitbit Charge 4 automatically tracks swim workouts and can be worn in the shower, pool and beyond.
OXYGEN SATURATION (SPO2) MONITORING: See your SpO2 nightly average and range on wrist, and view trends over the past week in the Fitbit app.2
SKIN TEMPERATURE VARIATION: Track your skin temperature each night to see how it varies from your personal baseline. View your nightly average and trends over the past week in the Health Metrics dashboard.3
NOTIFICATIONS & APPS: Stay connected with call, calendar and smartphone app alerts, text notifications and convenient apps like weather and timer. Plus, send quick replies, Android only. Available when phone is nearby.
SPOTIFY: With the Spotify app, you can control your music, like songs and browse recent playlists & podcasts all from your wrist. Spotify Premium subscription required; not available in all countries.
FITBIT PAY: Load your favorite credit and debit cards to your Wallet in the Fitbit app, then use your Charge 4 to tap and pay for purchases on the go–at transit stations, your favorite stores and more.
*1 Battery life varies with use and other factors; up to 5 hours with continuous GPS.
*2 SpO2 is not available in all markets. The SpO2 feature is not intended to diagnose or treat any medical condition or for any other medical purpose.
*3 Skin temperature variation is not available in all markets. Skin temperature is only available in the Fitbit app and only displays variation. The Health Metrics dashboard and the metrics displayed in the dashboard are not available in all countries. Not intended for medical purposes.

Additional information

Watch Face Size

35mm
Battery Health

Standard Battery
Watch Band Color

Black, Rosewood
Watch Case Color

Black
Color

Black-Plastic-Classic Band-Black, Rosewood-Plastic-Classic Band-Rosewood
Watch Band Type

Classic Band
Watch Band Material

Elastomer
Watch Band Size

Large Size, Small Size
Watch Case Material

Plastic Case
Condition

Very Good
Batterylithium-polymer, up to 6+ days
Model NameFitbit Charge 4 Advanced Fitness Tracker
Device size35.8mm x 22.7mm x 12.5mm
Small bandFits a wrist between 5.5 - 7.1 inches (140 mm - 180 mm) in circumference
Large bandFits a wrist between 7.1 - 8.7 inches (180 mm - 220 mm) in circumference
Weight24g
Screen18.3mm across with 128-by-72 pixels
Batterylithium-polymer, up to 6+ days
Charge timeTwo hours to a full charge
Storage4GB (2.5GB for music storage)
Operating systemFitbit OS
Wireless technologyCharge 4 contains a Bluetooth 4.0 radio transceiver and NFC chip.
Haptic feedbackCharge 4 contains a vibration motor for alarms, goals, notifications, reminders, and
Synchronization RangeUp to 9 meters away
CompatibilityAndroid 7.0+, iOS 12.2+
SensorsA MEMS 3-axis accelerometer, which tracks motion patterns
l An altimeter, which tracks altitude changes
l A GPS receiver, which tracks your location during a workout
l An optical heart-rate tracker
l A vibration motor
Maximum altitude8.5 kilometres
MaterialThe housing on Charge 4 is plastic. The Charge 4 classic band is made of a flexible, durable elastomer material similar to that used in many sports watches and includes a surgical-grade stainless steel buckle.

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Why Should I buy a Certified Pre-owned Fitbit Charge 4 Advanced Fitness Tracker?

Get the same great performance and features as new, for a fraction of the price. A certified pre-owned Fitbit Charge 4 Advanced Fitness Tracker is a smarter, more sustainable way to upgrade without breaking the bank.
At Reebelo, every product is professionally cleaned, quality-tested, and backed by our warranty and 30-day free returns, so you can shop risk-free and ensure your purchase is the perfect fit. It's better for your budget, better for the planet, and always risk-free.

What does Reebelo's warranty cover?

Every purchase from Reebelo includes a Vendor Warranty of up to 12 months covering functional defects, giving you peace of mind and protection against unexpected issues.
For tech products, our warranty covers all functional defects under normal use, as long as there's no physical or water damage by the customer.
All products with batteries come with at least 80% capacity for reliable daily use. Many products offer upgrade options to 90% or 100%. You're covered for 12 months against battery failure and overheating.
Want extra protection? Add our ReebeloCare Extended Warranty, an enhanced coverage plan that includes accidental damage from drops, spills, and other mishaps not covered by the 12-Month Vendor Warranty, available on select products.

Is a certified pre-owned Fitbit Charge 4 Advanced Fitness Tracker reliable?

Absolutely! Every Fitbit Charge 4 Advanced Fitness Tracker from Reebelo undergoes up to 70 rigorous quality checks, including professional inspection, cleaning, and repair to ensure it meets the highest standards of functionality. We work with trusted, certified vendors to guarantee top performance and long-lasting reliability, so you can enjoy your product with complete confidence.

How much can I save by buying a certified pre-owned Fitbit Charge 4 Advanced Fitness Tracker?

At Reebelo, you can save up to 70% off retail prices on a Fitbit Charge 4 Advanced Fitness Tracker, all while enjoying the same top-tier quality and performance. We're proud to offer certified pre-owned products from the brands you love — affordable, reliable, and thoroughly tested.
Want to boost your savings even more? Trade in your old product with Reebelo and make your next upgrade even more affordable.

How does buying certified pre-owned products benefit the environment?

Purchasing a certified pre-owned Fitbit Charge 4 Advanced Fitness Tracker is one of the most effective ways to reduce waste and minimize your carbon footprint. By giving high-quality products a second life, you're helping prevent valuable materials from ending up in landfills, where they can take centuries to decompose and release harmful toxins into the environment.
Reebelo is committed to supporting a more sustainable, circular economy, where products are reused, refurbished, and kept in circulation for longer. This not only conserves resources but also reduces the need to manufacture new items, cutting down on energy consumption, raw material extraction, and greenhouse gas emissions.
Make a smarter, greener choice — every certified pre-owned product you buy helps create a more sustainable future for all.

Why Should I buy a refurbished Fitbit Charge 4 Advanced Fitness Tracker?

A refurbished Fitbit Charge 4 Advanced Fitness Tracker offers incredible value, with savings up to 70% off vs new. Every device passes a 40+ point inspection to ensure it meets our high quality standards. It's the smarter way to shop—better for your wallet, and better for the planet.

What is Reebelo's return policy?

We offer a free 30-day trial on all orders, so you can make sure your Fitbit Charge 4 Advanced Fitness Tracker is the right fit for your lifestyle.

What does the warranty cover?

Every device includes a warranty of up to 12-months covering all functional defects under normal use. We guarantee at least 80% battery capacity at delivery and protect you against battery failure or overheating for the full year. While the standard warranty doesn't cover "oops" moments like cracked screens or water damage, you can add ReebeloCare at checkout on select products to stay protected against accidental drops and spills.

How does buying refurbished products benefit the environment?

Purchasing a refurbished Fitbit Charge 4 Advanced Fitness Tracker is a powerful move for the planet, reducing CO2 emissions by up to 92% compared to buying new. By extending the life of high-quality goods, you bypass the carbon-intensive manufacturing process and prevent valuable materials from reaching landfills, where they can take centuries to decompose.
Reebelo is driving a circular economy where products are kept in use rather than becoming part of the 62 million tonnes of waste generated annually. Opting for refurbished instead of new can save over 240kg of raw materials per unit and reduce water consumption by upwards of 85%.
Your choice helps keep high-value materials in circulation and supports a more sustainable future for all.

Model NameFitbit Charge 4 Advanced Fitness Tracker
Device size35.8mm x 22.7mm x 12.5mm
Small bandFits a wrist between 5.5 - 7.1 inches (140 mm - 180 mm) in circumference
Large bandFits a wrist between 7.1 - 8.7 inches (180 mm - 220 mm) in circumference
Weight24g
Screen18.3mm across with 128-by-72 pixels
Batterylithium-polymer, up to 6+ days
Charge timeTwo hours to a full charge
Storage4GB (2.5GB for music storage)
Operating systemFitbit OS
Wireless technologyCharge 4 contains a Bluetooth 4.0 radio transceiver and NFC chip.
Haptic feedbackCharge 4 contains a vibration motor for alarms, goals, notifications, reminders, and
Synchronization RangeUp to 9 meters away
CompatibilityAndroid 7.0+, iOS 12.2+
SensorsA MEMS 3-axis accelerometer, which tracks motion patterns
l An altimeter, which tracks altitude changes
l A GPS receiver, which tracks your location during a workout
l An optical heart-rate tracker
l A vibration motor
Maximum altitude8.5 kilometres
MaterialThe housing on Charge 4 is plastic. The Charge 4 classic band is made of a flexible, durable elastomer material similar to that used in many sports watches and includes a surgical-grade stainless steel buckle.
Why Should I buy a Certified Pre-owned Fitbit Charge 4 Advanced Fitness Tracker?

Get the same great performance and features as new, for a fraction of the price. A certified pre-owned Fitbit Charge 4 Advanced Fitness Tracker is a smarter, more sustainable way to upgrade without breaking the bank.
At Reebelo, every product is professionally cleaned, quality-tested, and backed by our warranty and 30-day free returns, so you can shop risk-free and ensure your purchase is the perfect fit. It's better for your budget, better for the planet, and always risk-free.

What does Reebelo's warranty cover?

Every purchase from Reebelo includes a Vendor Warranty of up to 12 months covering functional defects, giving you peace of mind and protection against unexpected issues.
For tech products, our warranty covers all functional defects under normal use, as long as there's no physical or water damage by the customer.
All products with batteries come with at least 80% capacity for reliable daily use. Many products offer upgrade options to 90% or 100%. You're covered for 12 months against battery failure and overheating.
Want extra protection? Add our ReebeloCare Extended Warranty, an enhanced coverage plan that includes accidental damage from drops, spills, and other mishaps not covered by the 12-Month Vendor Warranty, available on select products.

Is a certified pre-owned Fitbit Charge 4 Advanced Fitness Tracker reliable?

Absolutely! Every Fitbit Charge 4 Advanced Fitness Tracker from Reebelo undergoes up to 70 rigorous quality checks, including professional inspection, cleaning, and repair to ensure it meets the highest standards of functionality. We work with trusted, certified vendors to guarantee top performance and long-lasting reliability, so you can enjoy your product with complete confidence.

How much can I save by buying a certified pre-owned Fitbit Charge 4 Advanced Fitness Tracker?

At Reebelo, you can save up to 70% off retail prices on a Fitbit Charge 4 Advanced Fitness Tracker, all while enjoying the same top-tier quality and performance. We're proud to offer certified pre-owned products from the brands you love — affordable, reliable, and thoroughly tested.
Want to boost your savings even more? Trade in your old product with Reebelo and make your next upgrade even more affordable.

How does buying certified pre-owned products benefit the environment?

Purchasing a certified pre-owned Fitbit Charge 4 Advanced Fitness Tracker is one of the most effective ways to reduce waste and minimize your carbon footprint. By giving high-quality products a second life, you're helping prevent valuable materials from ending up in landfills, where they can take centuries to decompose and release harmful toxins into the environment.
Reebelo is committed to supporting a more sustainable, circular economy, where products are reused, refurbished, and kept in circulation for longer. This not only conserves resources but also reduces the need to manufacture new items, cutting down on energy consumption, raw material extraction, and greenhouse gas emissions.
Make a smarter, greener choice — every certified pre-owned product you buy helps create a more sustainable future for all.

Why Should I buy a refurbished Fitbit Charge 4 Advanced Fitness Tracker?

A refurbished Fitbit Charge 4 Advanced Fitness Tracker offers incredible value, with savings up to 70% off vs new. Every device passes a 40+ point inspection to ensure it meets our high quality standards. It's the smarter way to shop—better for your wallet, and better for the planet.

What is Reebelo's return policy?

We offer a free 30-day trial on all orders, so you can make sure your Fitbit Charge 4 Advanced Fitness Tracker is the right fit for your lifestyle.

What does the warranty cover?

Every device includes a warranty of up to 12-months covering all functional defects under normal use. We guarantee at least 80% battery capacity at delivery and protect you against battery failure or overheating for the full year. While the standard warranty doesn't cover "oops" moments like cracked screens or water damage, you can add ReebeloCare at checkout on select products to stay protected against accidental drops and spills.

How does buying refurbished products benefit the environment?

Purchasing a refurbished Fitbit Charge 4 Advanced Fitness Tracker is a powerful move for the planet, reducing CO2 emissions by up to 92% compared to buying new. By extending the life of high-quality goods, you bypass the carbon-intensive manufacturing process and prevent valuable materials from reaching landfills, where they can take centuries to decompose.
Reebelo is driving a circular economy where products are kept in use rather than becoming part of the 62 million tonnes of waste generated annually. Opting for refurbished instead of new can save over 240kg of raw materials per unit and reduce water consumption by upwards of 85%.
Your choice helps keep high-value materials in circulation and supports a more sustainable future for all.

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