GARMIN Vívofit 4

General
STRAP MATERIAL Silicone or TPU
PHYSICAL SIZE Width: 19 mm
Thickness: 9.4 mm

Circumference (small/medium): 122-188 mm
Circumference (large): 148-215 mm
COLOUR DISPLAY
DISPLAY SIZE 11 x 11 mm
DISPLAY RESOLUTION 88 x 88 pixels
DISPLAY TYPE Sunlight-visible, transflective 8-colour memory-in-pixel (MIP)
WEIGHT Small/medium: 25 g
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