It also monitors steps, calories, heart rate and sleep for way less than an Apple Watch or other popular wearables.

red and infrared sensors for blood oxygen (SpO2) monitoring and an ambient light sensor. It has notifications for calls, texts and calendar events, socialization features on Fitbit community ...

Zhou Yibao, Product Manager at Oppo, revealed that one of the key new features of the wearables will be a blood pressure monitor ... Google (and Fitbit), and Garmin, all of which offer similar ...