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Amazon.com: Amazfit Bip U Smart Watch Fitness Tracker for Men, 60+ Sports Modes, 9-Day Battery Life, Blood Oxygen Breathing Heart Rate Sleep Monitor, 5 ATM Water Resistant, for iPhone Android Phone (Black) :
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Amazfit Bip Lite by Huami with 45-Day Battery Life,24/7 Heart Rate 1.2 Inch Always-on Touchscreen 3 ATM, US Service and Warranty, Pink - Walmart.com
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