Heart Rate Watch 1, Material: plastic,electronic component 2, Min.Q'ty: 240 3, BEAUTIFUL! UNIQUE DESIGN! Heart Rate Watch1, Size: 5.1"(L)*3.1 ... .W. (KG/CTN): 8Product Description: Heart Rate Monitor is made of high quality plastic and electronic components, with many functions such as timing ... If have any question, please don't hesitate to contact with us, we will reply you within 2 hours.Dream: World ...