This is a 745 model smartwatch with a black silicone strap and a heart rate sensor. - Model: 745 - Color: Black - Strap Material: Silicone - Sensor: Heart Rate Sensor - Number of Buttons: 5 Thank you for viewing. There are some scratches on the surface, but they are on the film, so there are no scratches on the main body itself. Please note that the original box is not included. Also, a charging cable will be included.