[Product Information]

• When you meet problems， please contact the seller to get the technical support.
• Max length is 3.28ft=39.37in， max inner diameter is 1.57ft=18.90in.
• Max elastic force for the chest strap is 4.92ft=59.06in.
• The two metal snaps spacing is 45mm， suitable for Polar and Garmin，etc.
• The Heart rate monitor replacement chest strap is comfortable， can wash by hands， and the length is adjustble， suitable for most of people.