Garmin HRM-Dual - Premium Heart Rate Monitor Chest Strap, Real Time Heart Rate Data via Bluetooth Low Energy, ANT+, Black 6.1-inch Super Retina XDR this iPhone delivers stunning visuals

this iPhone delivers stunning visuals with vibrant colours and deep contrasts

and TalkThru technology lets you talk without taking off your headphones

which minimize both chromatic and spherical aberrations for improved clarity

and optimized speakers for crystal-clear sound deliver an even better video calling experience

Rugged + Waterproof

Garmin HRM-Dual - Premium Heart Rate Monitor Chest Strap, Real Time Heart Rate Data via Bluetooth Low Energy, ANT+, Black 6.1-inch Super Retina XDR this iPhone delivers stunning visualsThe Garmin premium heart rate chest strap is designed to deliver real time heart rate data through both Bluetooth Low Energy and ANT+ technologies. With a remarkable battery life of approximately 3. 5 years (based on an average daily use of 1 hour), it offers reliable and continuous heart rate monitoring. For enhanced training options, this chest strap ensures consistently accurate heart rate data on Garmin devices, online training apps, or compatible