In order to customize your monitor and allow us to exchange a standard medium for a small or large strap, it will require us to cut the blister packaging of this product. That will not affect the return policy or warranty of the item. Compatible with Polar: CS100s, CS200s, CS300s, CS400s, FS2s, FS3s, FT1, FT2, FT4, FT7, FT40s, FT60s, FT80s, RS300s, RS400s, Sizing Choices: Measure just under the breasts/chest area Medium (25-54 Inches) Large (33-63 Inches) Small (23-47 Inches) Coding prevents cross-talk from other electrical devices. Slim, light and waterproof. Transmits your heart rate to your wrist unit ECG (electrocardiogram) accurately. It is suggested that the battery (ce0537) be replaced by Polar. Great for swimmers - Fully water resistant making them the most effective exercise tools for measuring your heart rate while involved in water sports. Delivers 2,500 hours of operation, or 5 years of use exercising at 10 hours a week.
Trustpilot
2 weeks ago
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