[BT 5.0]Bakeey M2 Ultra Thin 1.4 Inch Square Display Wristband Heart Rate Blood Oxygen Monitor 24 Hours Activity Tracker

Specifications Screen 1 4 square screenStrap length 90mmx121mmSensor Comments model no Battery Pure cobalt polymer lithium batteryStrap material Food grade siliconeShell Aviation aluminum anodizingWaterproof IP68Transfer method bluetooth 5 0Chip RTL8762CKSystem requirements ios9 0 and android 5 0Size 35x46x10mmFeature Slim and stunning visionThe aviation aluminum metal body is colorful and stylish with a 1 4inch ultra retina screen and a smooth transitionof 2 5Dcurved glass which brings clear and delicate display of stunning visiion that is a wider field of vision Silm watch body lasts For 15 daysAdopt low power chips to solve the pain points of insufficien life of smart watches equipped with a large battery lastingbattery 15 days long battery life and long standby time of 60 days farewell to frequent charging IP68 waterproof Support swimming wash hands rain and meet daily use 15 Multiple sports modeUnderstand your physical and mental healthHeart rate monitoring throughout the day the bracelet has a built in intelligent optical light sensor which can change heartrate around the clock Blood pressure blood oxygen measurement breathing training to help you effectively release stress in addition to remindersof sedentary Calorie consumption makes life easier Sleep monitoring alarm vibration reminderComfortable to wear monitoring sleep duration all night overall assess your deep sleep and light sleep quality 24 Hours activity tracking convenient life assistantDaily activitie