Sensors graphic pro

说明

Sensors graphic pro which can draw heartrate , elevation , temperature , sealevel pressure SPO2 (invalid now due to a firmware bug) and step rate in any period</p><p>**NOTICE** still beta version , if you have any problems with the watch , please contact me.</p><p>For most of the devices , memory are limited . It may take a lot of time to compress date .</p><p>The more graphics you are to draw , the lower the accuracy the graphic will be .