Lenovo hw02 heart rate smart bt sport wristband calls notification activity tracking sleep monitor for iphone 7 ios android
Featuresr dynamic skin friendly designbracelet equipped with low power oled screen hidden borders natural and smooth skin friendly tputpe mixed materials elegant two color process both inside and outside nano edible level double spray double roasted fuel injection paint technology moderate softness comfortable wearing metal buckle injection molding integral clasp designr heart rate monitoring manual testing staticdynamic heart rate detecting your body load at any time helping