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More info (?)In order to give our customers the best online shopping experience by helping them to make a sound decision, we color code all our products with the following for authenticity, quality and seller reliability.
Green: Best
Yellow: Unknown
Red: Poor
Green: Best
Yellow: Unknown
Red: Poor
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Model: Haylou RS4 Plus
Display: 1.78" (368 x 448) Large Retina AMOLED 60Hz HD
Features: Blood Oxygen, Heart Rate, Sleep Monitor, 105 Sports Modes, IP68 Waterproof
Brand new UI interaction system
Connectivity: Bluetooth V5.1
OS: Android 6.0 and above, iOS 11.0 and above. Supported functions will vary with different watches, mobile phones, and countries.
Sensor: 24-hour heart rate monitoring, SpO2 tracking, Temperature detection, Smart sleep monitoring
Color: Black, Silver