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Feature
This Certified Refurbished product is tested and certified to look and work like new.Omni-directional EXO stainless steel antenna, with GPS/GLONASS satellite reception, has the ability to track in more challenging environments than GPS alone
Fitness training features like VO2 Max and Recovery Advisor (when used with a heart rate monitor)
Outdoor navigation features like 3-axis compass, altimeter and barometer, TracBack and Sight'n Go
Battery life: up to 20 hours in GPS training mode; up to 6 weeks in watch mode