1. Track your wellness and fitness activity with style
2. Fitness and health monitoring tools include estimated wrist-based heart rate, all-day stress tracking, relaxation breathing timer, VO2 max, Body Battery energy monitor and more
3. Features dedicated activity timers for walks, runs, strength training, yoga, pool swims and others
4. Includes advanced sleep monitoring with REM sleep and can gauge blood oxygen saturation levels during the night with the wrist-based Pulse Ox sensor (this is not a medical device and is not intended for use in the diagnosis or monitoring of any medical condition)
5. Get vibration alerts for all notifications, including calls, text messages and more (text replies available for Android device users)
6. Battery life keeps up with you; lasts up to 7 days (excluding Pulse Ox sleep tracking) and is safe for swimming and showering, too

Accent your style while enhancing your fitness with our vívosmart 4 activity tracker. This slim, swim-friendly wearable comes loaded with fitness and wellness features to help you make the most of a healthier, more active lifestyle. It monitors heart rate estimates at the wrist and includes helpful tools such as all-day stress tracking, a relaxation breathing timer, VO2 max and activity timers for walks, runs, strength training, pool swims and more.

A wrist-based Pulse Ox estimate sensor lets you check blood oxygen saturation anytime during the day - or turn it on while you sleep. Plus, Body Battery energy monitoring helps you know when you're primed to be active or when you may need to rest. Safe for the pool or shower, vívosmart 4 keeps you going strong with up to 7 days of battery life (excluding Pulse Ox sleep tracking) - while smart notifications with vibration alerts help you stay connected on the go (when paired with a compatible smartphone).

- Lens Material: polycarbonate
- Bezel Material: aluminum
- Strap material: silicone
- Physical size
- Small/medium: 15 x 10.5 x 197 mm
- Fits wrists with a circumference of 122-188 mm
- Touchscreen
- Display size: 6.6 mm x 17.7 mm
- Display resolution: 48 x 128 pixels
- Display type: OLED
- Weight: Small/medium: 16.5g
- Battery life: up to 7 days (excluding pulse ox sleep tracking)
- Water rating: Swim
- Memory/History: 7 timed activities, 14 days of activity tracking data
- Time/date
- Automatic daylight saving time
- Alarm clock
- Timer
- Stopwatch
- Garmin Elevate™ wrist heart rate monitor
- Barometric altimeter
- Accelerometer
- Ambient light sensor
- Pulse Ox
- Connectivity: Bluetooth® Smart and ANT+®
- Smart notifications
- Text response/reject phone call with text (Android™ only)
- Weather
- Controls smartphone music
- Find My Phone
- Find My Watch
- VIRB® Camera Remote
- Smartphone compatibility: iPhone, Android
- Compatible with Garmin Connect™ Mobile
- Step counter
- Move bar (displays on device after a period of inactivity; walk for a couple of minutes to reset it)
- Auto goal (learns your activity level and assigns a daily step goal)
- Sleep monitoring (monitors total sleep and periods of movement or restful sleep)
- Calories burned
- Floors climbed
- Distance traveled
- Intensity minutes
- TrueUp™
- Move IQ™
- Fitness Age: yes (in app)
- Body Battery™ Energy Monitor
- All-day Stress Tracking
- Available gym activity profiles: Strength Training, Cardio Training, Elliptical Training, Stair Stepping, Yoga
- Automatic rep counting
- Customizable data pages
- Customizable activity profiles
- Auto Lap®
- V02 max
- Customizable alerts
- HR zones
- HR alerts
- HR calories
- % HR max
- HR Broadcast (broadcasts HR data over ANT+™ to paired devices)
- Available run profiles
- Running
- Available swim profiles
- Pool Swimming (Basic)
- Toe-to-Toe™ Challenges