Garmin Vivofit 4 Activity Tracker (Large) - Black

Features:
- Activity Tracker with 1+ Year Battery Life
- Features always-on customisable colour display and 1+ year battery life; no charging necessary
- Tracks steps, distance and calories burned, monitors sleep and provides a personalised daily step goal
- Safe for swimming and showering
- Periodically syncs to Garmin Connect™, where you can save, plan and share your activities, get involved in social challenges and more
- Garmin Move IQ® feature automatically detects activity and classifies activity type on Garmin Connect

Tech Specs:
General:
Strap Material 
- Silicone or TPU
Physical Size
- Width: 19 mm
- Thickness: 9.4 mm
- Circumference (large): 148-215 mm
Colour Display
- Yes
Display Size
- 11 x 11 mm
Display Resolution
- 88 x 88 pixels
Display Type
- Sunlight-visible, transflective 8-colour memory-in-pixel (MIP)
Weight
- Large: 25.5 g
Battery Life
- Up to 1 year (2 x SR43 user replaceable)
Water Rating
- Swim
Memory / History
- 4 weeks of activity data
Clock features:
Time / Date
- Automatic Daylight Savings Time
- Alarm Clock
- Timer
- Stopwatch
Health monitoring:
Sleep
- Yes (Movement-based)
Hydration
- Yes (in Garmin Connect™)
Woman's Health
- Yes (in Garmin Connect™)
Sensors:
- Accelerometer
Daily smart features:
Connectivity
- Bluetooth® Smart and ANT+®
- Weather
- Find my phone
- Smartphone Compatibility: iPhone®, Android™
- COMPATIBLE WITH GARMIN CONNECT™ MOBILE
Activity tracking features:
- 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)
- Calories Burnt
- Distance Travelled
- Intensity Minutes: yes (moderate)
- TRUEUP™
- MOVE IQ™
Swimming Features
- Basic Rest Timer (UP FROM 0) (POOL SWIM ONLY)
Kid activity tracking features: 
- TOE-TO-TOE™ Challenges App

What's in the box
Garmin Vivofit 4 tracker