FITBIT SMART WATCH-FB523SRAG

-The advanced VERSA 4

-In wrist skin temperature  sensor

-OXYGEN Saturation (SPO2) MONITORING

-24/7 Heart rate ,monitoring, sleep stage analysis

-High/Low heart rate variation

-Menstrual health track

-Built-in GPS

-Water resistant up to 50 meters

-Music on the wrist

-Calls and notifications from the wrist

-Google/ALEXA COMPATIBLE

-6+Days battery life

1 YEAR WARRANTY