230.0 mAh Bluetooth Smartwatch Black

Haylou RS3 adopts an AMOLED display and aluminum alloy frame with a simple and elegant Bauhaus design, perfectly combining aesthetics and technology, Haylou RS3 supports customized watch face function. Watch faces are updated continuously to satisfy your ever-changing style, Blood oxygen saturation (SpO2) is an essential physiological parameter of the respiratory cycle of the human body. Check your body at any time, Get timely reminders for incoming calls, messages, emails, and social apps., Strenuous exercise or excessive exercise can easily cause insufficient oxygen supply in the body, Long-term snoring may cause apnea and decreasing blood oxygen, affecting sleep quality, Keep track of your physical condition 24 hours with an upgraded optical heart rate sensor and intelligent health algorithm, Sony low-power GPS module can accurately locate movement track, and the GPS can work continuously for 21 hours