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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
• Safe mount
• Helmet Width: 16
yet comfortable mountain bike helmet that offers premium protection for cycling through those narrow roads and rough terrain
and fingerprints
tensioning system
0.87'' OLED Smart watch Blood pressure/Heart rate Monitor speaker • Safe mountFeatures and specifications: Pulse sensor LST1303 Waterproof IP54 Life waterproof System support Android 4. 3 or above,iOS 8. 0 or above Functions Heart rate, blood pressure, pedometer, calories, distance, stopwatch, sleep monitor, call reminder, alarm clock Screen size 0. 87 inch Bluetooth 4. 0BLELow power consumption Battery type Polymer lithium battery Charging USB 1. 5 hour Standby time 7days Control type Button controlAPP controlCustomized,Mobile
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