Provides live, accurate heart rate to compatible mobile training apps, including Polar Beat Uses Bluetooth Smart technology providing ECG-accurate heart rate to any Bluetooth Smart ready device utilizing standard heart rate profile. Compatible with iPhone 4S, iPhone 5, iPod touch (5th generation), iPad (3rd & 4th generation), iPad mini and iPod Nano (7th generation). User replaceable battery, For optimal battery life, detach transmitter from chest strap after every use. Also uses Gym Link to connect with the majority of Polar heart rate monitors on the market and with compatible gym equipment. Compatible with select devices using Android 4.3 or later (HTC: One, One M8, One Mini, LG: G2, Nexus 4, Nexus 5, Motorola: Moto G, Moto X, Samsung Galaxy: S3, S4 and S5, Note II, Note III, Sony: Xperia Z1 • • Hook up your fitness app or training device with Polar H7 and get live, accurate heart rate while you train. You can use Polar H7 with a number of Polar products and compatible gym equipment. • Most popular choice in heart rate sensors
• Provides live and accurate heart rate
• Bluetooth connectivity compatible
• Compatible with many mobile training apps
• Also uses Gym Link technology to connect with polar & gym devices