Spec Refurbished Forerunner 610: * Easy-to-use, button-operated sport watch * Automatic sync * Garmin Connect compatible * Virtual partner lets you train against a digital partner * Virtual racer lets you compete against other activities * Auto pause pauses and resumes timer based on speed * Auto scroll cycles through data pages during workout * Advanced workouts create custom, goal-oriented workouts * Pace alert * Time/distance alert * Vibration alert * Interval training * Training effect measures impact of an activity on aerobic fitness * Customized screens * Shock resistant * Water resistant * GPS enabled * High sensitivity GPS receiver * 1" diameter touchscreen display * 128 x 128 pixel display resolution * Built-in rechargeable Li-ion battery * Up to 8 hours battery life in training mode and up to 4 weeks in power save mode * Dim: 2.5"L X 1.8"W X 0.56"D * Weight: 2.54 oz