Garmin Vivoactive
Tech specs 
Size1.72" x 1.52" x 0.32" (43.8 x 38.5 x 8.0 mm)
Charging USB
BatteryLithium battery
Battery lifeUp to 3 weeks (10 hours in GPS mode)
Water-resistanceUp to 50 metres (5 ATM)
WeightWithout bands: 18.0 g (0.63 oz); With bands: 38.0 g (1.34 oz)
Sensor3 axis-accelerometer, vibration alert, GPS
DisplayTouchscreen colour 205 x 148 pixels
Screen size1.13" x 0.80" (28.6 x 20.7 mm)
ColorsBlack, White
Activity tracking 
Calories burnedYes
Heart rate24/7
Stress & recovery
Pulse Ox
Respiration rate
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
Running featuresAccelerometer (calculates distance for indoor workouts, without need for a foot pod), personal records
Swimming featuresPool swim metrics (lengths, distance, pace, stroke count/rate, calories)
Other Pace alerts, golf metrics. Music controls.
Non-fitness functions 
Smartphone notificationsYes
On-board music storage
Connected pay
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