Bluetooth 4.0 Smart Watch Heart Rate Monitor Blood Oxygen Monitor For iOS iPhone Android
A88+ Bluetooth 4.0 Smart Watch Heart Rate Monitor Blood Oxygen Monitor For iOS iPhone Android (The A88 has been one of my best sellers).
Heart rate monitor.
Equipped with Power Pulse technology, it has real-time tracking. Heart rate frequency of human body movement for viewing & blood oxygen the
built-in dynamic monitoring, it can record your dynamic curve in order to build a healthy body. Automatic track your sleeping time and analysis sleep quality by a chart and you can even set an alarm clock to wake you up by vibration to avoid disturbing family. Short charging time and long standby time:
Just need 2 hours charging time and get 30 days standby time, 5 - 7 days use time
and has a virbration reminder.