eFamily New Version Activity Fitness Tracker Christmas Gifts for Her/Him, Arm...

eFamily New Version Activity Fitness Tracker Christmas Gifts for Her/Him, Arm Band with Heart Rate Monitor, IP67 Waterproof Smart Fitness Band, Smartphone ANT+ Pairing Armband for Kids Women and Men

• Heart Rate & Calorie Monitoring: An advanced optical heart rate sensor keeps track of your heart rate and calories burned.
• User Friendly App: An easy to use and navigate app helps you keep track of what is important without any hassle.
• IP67 Waterproof Rating: A high waterproof rating means you can run in the rain or wash your hands without worry of damaging your watch.
• Breathable Neoprene Strap: A lightweight and comfortable strap keeps you gives you all day comfort unlike many rubber straps.
• Compatible Apps: Nike+ Run Club, Wahoo Fitness, Polar Beat, Strava, Awift, Runtastic Pro