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Amazon.com : Polar T31 Coded Chest Transmitter and Elastic Strap - Black : Heart Rate Monitors : Sports & Outdoors
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Polar T31 transmitter Coded
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Amazon.com : Polar T31 Coded Chest Transmitter and Elastic Strap - Black : Heart Rate Monitors : Sports & Outdoors
User manual Polar T31 (English - 1 pages)
