Quantity  1  Color  Black  Material  ABS  Functions  Calories counter + pulse rate  Power Supply  Built-in 1 x CR2023 battery  Features  Time， alarm，stopwatch functions  Gender  Unisex  Packing List  1 x Watch 1 x Chinese & English manual<img src="//112.74.112.28/down/products/416708/416708_000.jpg">