Measures heart rate to provide ECG-accurate readings for tracking your workout progress
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 5kHz transmission
Included: Polar H7 Heart Rate Sensor, chest strap, and owner*s manual

Technical Details

Size (LWH): 6.8 inches, 3.7 inches, 1.1 inches
Product Details
Product Dimensions: 6.8 x 3.7 x 1.1 inches
Shipping Weight: 0.25 pounds (View shipping rates and policies)
ASIN : B00QMLNUOE