Explore the specs.
What’s in the box
Fitbit Versa 4
Classic band (small & large)
Charging cable
Tech Specs
Colors
Black / Graphite Aluminum
Waterfall Blue / Platinum Aluminum
Pink Sand / Copper Rose Aluminum
Beet Juice / Copper Rose Aluminum
Dimensions and weight
Length: 1.59 in (40.5 mm)
Width: 1.59 in (40.5 mm)
Height: 0.44 in (11.2 mm)
Weight: 0.08 lb (37.64 g)
Battery and power
Battery life of 6+ days. Battery life and charge cycles vary with use, settings and other factors; actual results will vary. We recommend charging your smartwatch every few days to ensure you are always tracking.
- Battery type: Lithium-polymer
- Charge time (0-100%): Two hours
- Radio transceiver: Bluetooth® 5.0
Memory
- Saves 7 days of detailed motion data, minute by minute
- Saves daily totals for the last 30 days
- Stores heart rate data at one-second intervals during exercise tracking and at five-second intervals all other times
Environmental requirements
Operating temperature: -14° to 113°F
Sensors and components
- Multi-path optical heart rate sensor
- Red and infrared sensors for oxygen saturation (SpO2) monitoring. Not available in all countries. Not intended to diagnose or treat any medical condition or for any other medical purpose. Intended to help you manage your well-being and keep track of your information. Requires more frequent charging.
- Altimeter
- 3-axis accelerometer
- Ambient light sensor
- NFC
- Built-in GPS + GLONASS
- Vibration motor
- Speaker (75dB SPL @10cm)
- Microphone
- WiFi (deactivated, cannot be turned on)
- Device temperature sensor (skin temperature variation available in the Fitbit app). Only available in the Fitbit app and only displays variation. Not available in all markets. Not intended for medical purposes. Significant changes in ambient temperature may negatively impact skin temperature tracking.
Display
- AMOLED display
- Corning® Gorilla® Glass 3
Water resistance
Water resistant to 50m. After getting the band wet, we recommend drying the band because, as with any wearable device, it's best for your skin if the band is clean and dry. Learn more.
Materials
This watch includes a band made of a flexible material similar to that used in many sports watches, as well as an aluminum watch case and buckle.
Learn more about wear and care tips here.
Learn more about wear and care tips here.
Band size
Both small and large sizes included in box.
- Small: Fits wrist 5.1 - 7 inches in circumference
- Large: Fits wrist 6.5 - 8.6 inches in circumference
Requirements
Google account will be required. Learn more.
The Fitbit app is compatible with most popular phones. To set up and use your Fitbit products and services, you must install the Fitbit app on a compatible device running one of the following operating systems:
The Fitbit app is compatible with most popular phones. To set up and use your Fitbit products and services, you must install the Fitbit app on a compatible device running one of the following operating systems:
- Apple iOS 16.4 or higher
- Android OS 11.0 or higher. See additional tips for Android phones here.
- Syncing range: Up to 30ft
- Certain features like smartphone notifications may require Android 11+. Check your device compatibility.
- Syncing requires Bluetooth® LE, an internet connection and location permissions granted on the phone