The Google Fitbit Air Black is a lightweight, screen-free fitness and health tracker designed for people who want detailed health and fitness monitoring without the distractions of a traditional smartwatch. Instead of a display, apps and constant notifications on your wrist, Fitbit Air quietly tracks your activity, sleep and key health metrics and syncs the information to the Google Health app on your smartphone. Google lists features including 24/7 heart-rate tracking, steps, calories, sleep tracking, blood oxygen (SpO2), heart-rate variability, breathing rate, skin-temperature variation, Cardio Load and Readiness.
The Black/Obsidian Google Fitbit Air is particularly suited to runners, gym users, cyclists, fitness enthusiasts and anyone who wants a discreet wearable that can be worn throughout the day and during sleep.
Ultra-Lightweight, Screenless Design
The Fitbit Air is built around a tiny tracking unit weighing approximately 5.2g without the band, making it considerably less noticeable than many conventional smartwatches. Because there is no screen, it does not constantly compete for your attention with notifications, messages or apps.
24/7 Health & Activity Tracking
Google Fitbit Air continuously monitors several health and fitness metrics, including heart rate, steps, distance, calories and Active Zone Minutes. It also provides additional measurements such as heart-rate variability, breathing rate, blood oxygen and skin-temperature variation.
Advanced Sleep Tracking
Wear it while sleeping to monitor sleep duration and sleep stages and receive a Sleep Score through the Google Health app. Its lightweight, screenless design also means there is no bright display lighting up while you sleep.
Heart-Rate & Heart-Rhythm Monitoring
The Fitbit Air monitors your heart rate and can look for signs associated with atrial fibrillation (AFib) while you are still or sleeping. Be realistic about this feature: Fitbit Air is a consumer health tracker and should not be treated as a medical diagnostic device. Any concerning health reading or alert should be followed up with a qualified healthcare professional.
SpO2 & Other Health Metrics
The tracker can provide blood-oxygen (SpO2) estimation alongside heart-rate variability, breathing rate and skin-temperature variation, giving you a broader picture of your everyday health and recovery. Availability of certain health features can vary by region.
Cardio Load & Readiness Tracking
For people who train regularly, Fitbit Air can help you understand how much cardiovascular strain you are accumulating and whether your body appears ready for additional activity. These insights are particularly useful for users who want to monitor training and recovery rather than simply count steps.
Up to 7 Days of Battery Life
The Fitbit Air is designed to last up to approximately one week on a charge, depending on usage. It also supports fast charging, with around five minutes of charging providing approximately a day of use.
5 ATM Water Resistance
With water resistance rated up to 50 metres / 5 ATM, Fitbit Air is designed for everyday water exposure and swimming. However, water resistance is not permanent and can decrease with wear, damage or ageing, so it should not be treated as completely waterproof.
Android & iPhone Compatibility
The Fitbit Air connects to your smartphone through Bluetooth and uses the Google Health app to display your health and fitness information. It works with compatible Android and iOS devices.
The biggest selling point of the Google Fitbit Air is actually what it doesn't have: a screen.
If you want a smartwatch for WhatsApp notifications, calls, music controls, apps, mobile payments or checking the time directly from your wrist, this is probably not the right product for you.
If, however, you want something small and discreet that focuses primarily on fitness, sleep, recovery and health tracking, Fitbit Air makes considerably more sense.
It is essentially a health and fitness tracker that stays in the background while the Google Health app on your phone handles the detailed information.
No Built-In GPS: Fitbit Air does not have standalone GPS. For route tracking during outdoor activities such as running or cycling, it relies on your connected smartphone.
No Wrist Display: You cannot check the time, messages or workout statistics directly from the Fitbit Air because it has no conventional screen.
Some Advanced Features Require Premium: Core tracking remains available, but some advanced coaching and insights are associated with Google Health Premium. Google currently provides a 3-month Google Health Premium trial with Fitbit Air.
Not a Medical Device: Health measurements should be treated as wellness information rather than a substitute for professional medical assessment.
The Google Fitbit Air is a strong choice for:
Runners and gym enthusiasts
People who track their sleep and recovery
Cyclists and active users
Professionals who dislike smartwatch distractions
People who want a lightweight fitness tracker for 24/7 wear
Android and iPhone users who want Google Health integration
Anyone who prefers a discreet wearable instead of a large smartwatch
Users interested in heart-rate, sleep, activity and recovery tracking
Be brutally honest with yourself before buying.
If you specifically want WhatsApp notifications, a watch face, calls from your wrist, music controls, built-in GPS or smartwatch apps, choose a proper smartwatch instead.
The Fitbit Air is intentionally minimalist. Its lack of a screen is its biggest advantage and its biggest limitation.
Brand: Google Fitbit
Model: Fitbit Air
Colour: Black / Obsidian
Type: Screenless health & fitness tracker
Weight: Approximately 5.2g tracker only
Heart Rate: 24/7 monitoring
SpO2: Supported
HRV: Supported
Breathing Rate: Supported
Skin Temperature: Supported
Sleep Tracking: Sleep Score and sleep stages
Activity Tracking: Steps, calories, distance and Active Zone Minutes
Training: Cardio Load and Readiness
AFib Monitoring: Supported
GPS: No built-in GPS; smartphone required for route tracking
Battery: Up to approximately 7 days
Fast Charging: Approximately 1 day of use from 5 minutes of charging
Water Resistance: 5 ATM / 50 metres
Connectivity: Bluetooth
Compatibility: Compatible Android and iOS devices
App: Google Health
Display: None
Google Health Premium: 3-month trial included according to Google
Box Contents: Fitbit Air tracker, wristband and charging cable
Looking for a Google Fitbit Air Black in Kenya, Nairobi, or elsewhere in the country? The Fitbit Air is a particularly interesting option for Kenyan fitness enthusiasts looking for a lightweight wearable focused on health, sleep and activity tracking rather than traditional smartwatch features.
At XS Discounts, customers can shop for electronics and smart devices with delivery options available in Nairobi and across Kenya. Availability, warranty terms and accessories should always be confirmed before purchase.
