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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
optical blood oxygen sensor
All-day Activity Tracking: The fitness tracker can track your daily steps
clock stop
43" AMOLED screen
B33 Smart Watch Round Color Screen Heart Rate Bluetooth Connection Pedometer Music Weather Outdoor Smart Sports Bracelet Color:Black optical blood oxygen sensorPlease charge the device before use when it received. 1 2 hours It has no buttons 1, screen: 1. 44" display, resolution 128*128 2, color: black, red, green 3, material: plastic and silicone shell + silicone watchband 4, bracelet size: 43*37*13mm 5, battery: capacity 50 90 mAh, use time 3 4 days 6. Charging mode: USB charging 7. Touch type: single touch 8, waterproof level: IP65 9,APP: Fitpro Fithere HryFine 10. Bluetooth call: no 11. Supported
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