DIKTOYOU smart watch. The design is simple and smart, with rigorous quality checks at every step to give our customers the ultimate experience. Bluetooth call and message alerts: You can use the smart watch for women to make/receive calls and read messages even when you are exercising, freeing your hands to prevent missing important messages. A good health partner: Sleep tracking records your entire sleep state and generates data analysis, allowing you to track heart rate, blood oxygen and blood pressure levels in real time. High definition display: 1.