100% Brand New Color: Black&Silver Material: ABS + PU + Stainless Steel This watch calculate your heart rate and calories burned while exercising, without chest strap. Besides, this watch with pedometer function. Sport measure calorie and pulse and pedometer LCD display time and date Heart rate measuring range: 30 to 200 Through contact measurement, display the dynamic pulse of the times. Three kinds of pedometer models show: total steps / time display mode pedometer / exercise time display mode calories / mileage display mode User information setting: Metric / Imperial weight step G-Sensor sensitivity. 50 days automatic memory storage step function Backlight: EL or LED 1 x Watch With Pedometer 1 x User Manual