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【Fitness Tracking Watch】This smart sports watch uses optical sensors to keep track of your heart rate, Sleep quality, just like a caring friend.

SOUYIE Smart Watch for Men Women, Infrared True Blood Oxygen Monitor, 1.96 HD Smartwatch with Heart Rate, Blood Pressure, Sleep, IP67 Waterproof

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【Fitness Tracking Watch】This smart sports watch uses optical sensors to keep track of your heart rate, Sleep quality, just like a caring friend.

SOUYIE Smart Watch for Men Women, Infrared True Blood Oxygen Monitor, 1.96 HD Smartwatch with Heart Rate, Blood Pressure, Sleep, IP67 Waterproof

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