Aluminium sports watch with silicone band. Light weight, only 46grams with 1.4 inch colour screen touch display. Over 245 screen choices available through the APP. Water resistant (IP67) to a depth of 1.0m for up to 30 minutes. Functions: Distance, Calories, Time and date display, Heart rate monitoring, Sleep monitoring, Blood pressure measurement, Blood oxygen saturation measurement, Exercise mode, Timer, Call and message notifications, Camera control, Music control. Standby time: 25 days, using time: 5-7 days. Software Download: "Da fit" from App store, Google Play or equivalent. Charging: via included usb charger. Rechargeable 170mAh LiPo battery. Compatibility: IOS 8+ Android 5.1 (Bluetooth version 4.0). Colours: Metallic blue body with matt light blue band, Metallic pink body with matt pink band, Matt black body with black band. 12 month limited technology warranty.