Screen size: 1.75 inch
screen resolution: 360 x 360 pixels
compatible os: android & ios
sensors:
-heart rate sensor
-g sensor
-bluetooth: v4.2
speaker: yes
microphone:yes
multi-sports mode:yes
heart rate monitor: yes
blood oxygen monitor:yes
thermometer:yes
waterproof: ip68
additional features
bluetooth calling
sedentary reminder
sleep monitor
alarm
barometer
brightness adjusting ... etc
battery capacity:220 mah
strap: silicone
charging cable