Whether you're sleeping, running, or stretching, the Polar Loop 2 Activity Tracker tracks your daily activity to promote healthy living. This waterproof wristband can help you set goals and benchmarks to measure your improvement daily and over longer periods of time. Challenge yourself and your friends with the Polar Flow App.

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• Activity Goal: practical guidance for reaching daily activity goal. Intensity levels: resting, sitting, low, medium and high
• Activity Benefit gives feedback about your daily, weekly and monthly activity
• Tracks your heart rate, steps, distance, inactivity, & calories burned
• Smart Calories algorithm: based on weight, height, age, gender & the intensity of physical activity
• Smart Notifications: notifications for incoming calls, messages & calendar reminders
• Wireless sync to Polar Flow app
• Waterproof
• Battery Life: up to 8 days with 24/7 activity tracking & 1h/day training
• Rechargeable 38 mAh Li-pol battery
• Weight: 38g
• Size: 145-240mm 
• Model: 90054916