B57 fitness tracker smart watch Waterproof Sport For IOS Android phone Smartwatch Heart Rate Monitor Blood Pressure Functions
![B57 fitness tracker smart watch Waterproof Sport For IOS Android phone Smartwatch Heart Rate Monitor Blood Pressure Functions](http://ae04.alicdn.com/kf/He6b0eebbd9334abfbb58873db84582256.jpg)
sku: 1005001594923738
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$33.59
Shipping from: China
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