Polar H7 Bluetooth Heart Rate Sensor
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.
Compatible with dozens of leading fitness apps, including Polar Beat
Compatible with iPhone 4S and later, and with selected Android devices including Samsung Galaxy S3 and S4 using Android 4.3 or later
Transfers heart rate information while swimming with products which support 5 kHz transmission