Dual Core, Triple Speed- Most smartwatches use a single CPU to power every operation, resulting in slow, laggy operation and high power consumption. The Kieslect Ks2 features "Dual Core" Technology, brings an amazing 60 FPS refresh rate and a 30% reduction in power consumption. All of these contribute to superior fluid operation and a longer-lasting battery.2.5D GPU Super Dynamic Display- The Ks2 is equipped with a 2.5D GPU, an industry-leading image processing accelerator, which makes the UI of the Ks2 more colorful and realistic visuals, while also providing stronger and more dynamic 3D effects, animation playbacks, and more.Advanced Biometric Sensor- Equipped with 4 ultra-bright LED and an independent large PD, the Kieslect Ks2 can collect 35% more data volume compared to our last geneartion. Combined with Kieslect sophisticated heart rate algorithm, it improves the heart rate monitoring accuracy by 37%.Body Energy- Body Energy helps you monitor your person's energy resources. Every 30 minutes, Body Energy collects data on your physical activity, stress, heart rate, and the restorative powers of sleep. Armed with this data, users can make smarter decisions about exercise and take steps toward forming healthy habits based on their body's data.Test 3 Health Metrics in 1 Tap- With the Kieslect Ks2 cutting edge health algorithms, you can quickly test and view your heart rate, blood oxygen, and stress levels in 30 seconds by 1 tap. Get an instant snapshot of your health and wellbeing anytime, anywhere.100+ Sports Modes- Designed to inspire, users can take on indoor and outdoor challenges with over 100 pre-programmed workout modes including running, cycling, strength training, golf swing, swimming, and more.Smart Sports Recognition- As soon as you begin one of these 6 activities, the watch will sense your movement and automatically suggest that you open the corresponding sports mode.Including Outdoor running, Indoor running, Outdoor walking, Indoor walking, Elliptical machine and Rowing machine.3ATM Waterproof- 3ATM water resistance and anti-water straps mean the Ks2 can go where you go, even in the water. Safely wash your hands, do the dishes, or take a swim and the Ks2 will be right there with you and still working flawlessly.Running Courses, Train to Be Pro- The Ks2 is a personal trainer that is always with you and includes 6 pre-programmed running courses for you. Choose from 6-minute easy run, 10-minute easy run, 15-minute easy run, first time run, advanced runner, and strengthened run. It also provides a post-run stretching session.