B57 fitness tracker smart watch Sport Waterproof For IOS Android phone Smartwatch Heart Rate Monitor Blood Pressure Functions
![B57 fitness tracker smart watch Sport Waterproof For IOS Android phone Smartwatch Heart Rate Monitor Blood Pressure Functions](http://ae04.alicdn.com/kf/Hb26d70738a29413694492f9dc9714de7w.jpg)
sku: 1005002702807482
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$17.99
Shipping from: China
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