Polar A360
Tech specs 
SizeThickness: 13.5 mm
Width: 23.5 mm
MaterialSoft Silicone or Polyurethane (TPU) wristband
ChargingMicro USB
Battery25 mAH Lithium-polymer battery
Battery lifeUp to 8 days
Water-resistanceUp to 30 metres
Weight31.7g (S), 33.7g (M), 37.3g (L)
Sensor3d-accelerometer, heart rate monitor
DisplayCapacitive touchscreen 80 x 160 pixels (RGB)
Screen size13mm x 27mm
ColorsBlack, Pink, White, Blue
Activity tracking 
Calories burnedYes
Heart rateYes
Stress & recovery
Pulse Ox
Respiration rate
UV exposure
Skin temperature
Galvanic skin response
Hydration level
Calorie intake
Running features
Swimming features
Other Inactivity alert, Vibration alerts, Alarm, Sport profiles
Non-fitness functions 
Smartphone notificationsYes
On-board music storage
Connected pay
Affiliate link*Amazon
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