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Amazon.com: Amazfit BIP smartwatch by Huami with all-day heart rate & activity tracking, sleep monitoring, GPS, 30-day battery life, Bluetooth (Kokoda Green), One Size : Electronics
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Bluetooth & Ant+ Heart Rate Chest Strap Belt Waterproof Bt 4.0 Smart Pulse Sensor Heart Rate Monitor Polar V800 Amazfit Stratos - Outdoor Fitness Equipment - AliExpress
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Bluetooth & Ant+ Heart Rate Chest Strap Belt Waterproof Bt 4.0 Smart Pulse Sensor Heart Rate Monitor Polar V800 Amazfit Stratos - Outdoor Fitness Equipment - AliExpress
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