 "Polar USA Unisex FT4 Green/Green Watch"@en-US "Heart Rate Monitors | Medical Outlet Direct"@en-US
"The Polar FT4 heart rate monitor provides a smarter training experience. Whether your goal is to lose weight or improve your fitness, Polar's easy-to-use heart rate based Smart Coaching features will guide you to exercise efficiently and motivate you to reach your fitness goals. The FT4 provides continuous, accurate heart rate and lets you know exactly how many calories you've burned. In addition, it stores your last ten training sessions so you can track your progress. Requires and includes comfortable fabric heart rate chest strap (adjustable size M-XXL). Operational Instruction: Getting started with a Polar heart rate monitor is easy. First, make sure you thoroughly wet the electrodes on back of the heart rate chest strap with water and snap the transmitter into place. Then place the strap on your chest prior to starting the watch. Tip: it is best to stand away from others when starting the watch. When you are finished with your workout detach transmitter, rinse the strap with water and hang dry."@en-US 
 " Charge 2 Fitness Wristband (Large, Black) "Fitbit (Large FB407SBKL B&H"
 Display OLED Bluetooth Specification Bluetooth 4.0 Bluetooth Range 20.0' (6.1 m) Water Resistance Sweat, rain, and splash proof Memory Tracks 7 days of motion data Saves daily totals for past 30 days Stores heart rate data at 1 second intervals during exercise tracking and at 5 second intervals all other times Materials Wristband: flexible, durable elastomer material Clasp: surgical-grade stainless steel Battery Type Lithium-ion polymer (LiPo) Battery Life Up to 5 days Charge Time Up to 2 hours Sync Compatability Syncs with Mac OS X 10.6 and up, iPhone 4S and later, iPad 3rd generation and later, Android 4.3 and later, and Windows 10 devices Syncing requires Bluetooth LE and Internet connection. Windows 10 computers that do not have Bluetooth LE will need a wireless sync dongle in order to sync. Operating Temperature 14 to 113°F (-10 to 45°C) Maximum Operating Altitude 30,000' (9,144 m) Size Fits wrists 6.7 - 8.1" (17 - 20.6 cm) in circumference