Zephyr HxM Smart Heart Rate Monitor for iPhone 4S iPad 3rd Gen iPhone 5 with Bluetooth LowEnergy 40

ARMOUR39 MODULE. Stores your biometric info€"including heart rate, calories burned, real-time intensity, and WILLpower„€"and transmits it automatically in real time to the MapMyFitness apps, Armour39 app, or Watch. Captures every heart beat so you get precise measurements no matter what you wear it to do. Transmits within 15 feet of your display device (see above for compatible devices). Module is sweatproof (cannot be submerged in water). Long lasting coin cell battery is ready to go when you are. Exclusive to the Armour39 app: Go out of Bluetooth Smart range and the module stores your workout data for up to 16 hours, automatically transmitting your info to your Armour39 app when you're back in range (feature is not supported on MapMyFitness apps). For questions, call our Armour39 Customer Service line at 1-855-901-3939. ARMOUR39 CHEST STRAP. Not just a strap...it actually performs; it wicks sweat and stays put thanks to grippy Nano technology that keeps you comfortable and focused. Sensing pads detect the body's biometric info and deliver it to the Module. Comfortably fits a ribcage measuring 27"-52" around (see models for fit). To clean, remove the Armour39 Module and hand wash. ARMOUR39 APP. Get every piece of vital workout info, all in real time in a single location. Use the calendar to compare your daily workouts and see how you're improving over time and pinpoint trends. Stores 120 days.