Featuresr full round design 13inch ips hd touch screen 240240pixelr alluminum alloy shell case and metal strap generous but not simpler mtk2502a powerful main chip high performancer 64mb flash memory and 128mb romr 360mah poly li battery long standby time and easy to charger bluetooth 40 version work range up to 10mr compatiable with both ios 70 above and androld 43 above devicesr support heart rate anti lost pedometer sleep monitor siri control bluetooth push bt camera