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Pedometer, Calorie Tracking, Lightweight, anti-sweat. Soft silicone with smooth finish for a sporty look. Comfortable and durable. It can not only remind you via vibrating when your phone receives calls, messages or other notifications but also displays details on the screen directly.
Fitness Trackers, when you turn on active mode during activities such as running, you can measure GPS route, calorie expenditure, speed, and heart rate in real time. Has the ability to analyse exercise data, recommended for daily health and exercise. Automatic recognition of walking, treadmill, outdoor running, outdoor cycling, rowing machine, Elliptical machine kinds of exercise modes, never miss every moment of exercise.

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Comfortable to wear soft strap heart rate monitor with small lightweight module
Provides real-time data for cadence, ground contact time and vertical oscillation when paired with compatible Garmin GPS running watches

[High Performance of Real-time Heart Rate Tracking] H603 directly extract heart rate data with the self-research algorithm, eliminate noise interference caused by movement and sweating, output the most accurate heart rate data.
[SPLIT CHEST STRAP DESIGN] Different from the traditional chest strap design, H603 adopts split chest strap design to bring you a better product experience.
[LONG BATTERY LIFE] Lasts for 1000 hours: 1 hour per day, 4 times per week,2.5 years working time. (The battery life data are based on laboratory test. The actual situation may be slightly different due to the use environment and other factors.)