Use the USB cable to charge your Polar loop
Sync your activity and training data from your device
Use with the Polar flow web service to analyze data
Wristband Size : 9 '' . NOTE - Measurements taken from the LAST HOLE to the END OF RUBBER next to buckle (not from end to end). *Loop is from end to end prior to cutting.

Technical Details

Product Details

Package Dimensions
Width : 3.78 inch
Height : 1.26 inch
Length : 4.96 inch

Shipping Weight: 0.32 ounce (View shipping rates and policies)

ASIN : B00ZFE3GTI