This is a multi-functional smart watch. It has 1.3 inch full screen with 360*360 pixel resolution. It supports ECG and heart rate monitoring, blood pressure and blood oxygen measurement, provides 6 sports modes for you to choose, it is indeed a good tracker for your exercise. Features: Full-screen. With 1.3-inch round LTPS display, large and full screen, give you a comfortable interface and easy to operate. Stainless steel case. Stainless steel case and ceramic dial boast exquisite design and waterproof protection. Replaceable strap. You can choose the strap that best match your mood, or best fit the occasion. 360*360 HD color screen. Feel free to switch any colorful dials you like. PPG and ECG monitoring. Caring for the health of you and your family. BT 5.0 technology. Ensuring stable data transmission and energy efficiency, eliminates disconnection. IP67 waterproof. Suitable for everyday life situations, such as hand washing, rainy weather, and sports. 6 Sports Modes. Including daily activities such as walking, running, hiking, etc. So you can adjust your excise plan based on your condition. Message notification. Comes with abundant practical applications and reminding functions which facilitate your daily work and life. Note: Do not swim or soak in water. Remove the watch when taking a bath. Specifications: Brand: LEMFO Model: ELF2 Material: Stainless steel + TPU Color: Silver / Black (Optional) Screen Size: 1.3 inch Screen Resolution: 360*360 Compatible System: Android 4.4 and above / IOS 8.2 and above BT Version: BT 5.0 Chip: RTK8762C Battery Capacity: 240mAh Flash Storage: 128K+128M Waterproof Rating: IP67 Language: Chinese/English Item Size: 265 * 47 * 12mm / 10.43 * 1.85 * 0.47in Item Weight: 65.5g / 2.31oz Package Weight: 200g / 7.05oz Package Size: 9 * 6 * 12.6cm / 3.54 * 2.36 * 4.96in Package List: 1 * Watch 1 * Charging stand 1 * User Manual (English, German, Russion, Japanese, French)