1、High-definition picture quality experience. It adopts 0.96-inch display for OLED. It has rich visual effects. Wide viewing angle ensures that the screen content can be clearly viewed without angle. High contrast can bring superior HD picture quality expe 2、Personalized color UI interface. Not only does it look clearer, but also makes the data not monotonous, bringing a better human-computer interaction experience. 3、24 hours monitoring your heart rate. Use PPG heart rate sensor, combined with self-developed heart rate algorithm. Monitor heart rate changes in real time during exercise, make your rebate more scientific and effective. 4、Independent riding mode, record the riding time. Open the S3's riding mode, start the cycling ring and record the time you spent riding and the heat consumed by the ride. 5、Each S3 has its own unique address for MAC. Scan the QR code to access WeChat. Features: 1. High-definition picture quality experience. It adopts 0.96-inch display for OLED. It has rich visual effects. Wide viewing angle ensures that the screen content can be clearly viewed without angle. High contrast can bring superior HD picture quality experience. 2. Personalized color UI interface. Not only does it look clearer, but also makes the data not monotonous, bringing a better human-computer interaction experience. 3. 24 hours monitoring your heart rate. Use PPG heart rate sensor, combined with self-developed heart rate algorithm. Monitor heart rate changes in real time during exercise, make your rebate more scientific and effective. 4. Independent riding mode, record the riding time. Open the S3's riding mode, start the cycling ring and record the time you spent riding and the heat consumed by the ride. 5. Each S3 has its own unique address for MAC. Scan the QR code to access WeChat. 6. Call vibration reminder, SMS / WeChat / QQ reminder and view. Vibrate reminder, even in noisy environment, will not miss any important calls, QQ / SMS / WeChat. 7. Lift your wrist and turn it gently to light up the screen. You don't need to vacate the other hand to wake up the screen to see the data. 8. IP67 waterproof level, swimming can also be worn with confidence. IP67 international waterproof and dustproof level, not only can protect the poor dust, cosmetics, sweat, etc. in daily life, corrosive substances, and even can be washed directly with water, can be worn while swimming. 9. Automatic sleep monitoring, alarm clock vibration wake up. Track and analyze your sleep quality, such as sleep time, deep sleep, shallow sleep. You can set a silent vibration alarm clock, wake up your gentleness every morning, will not disturb the other people. Specifications: CPU: MO V 4.0 BLE Charging method: Charger micro USB 5V Acceleration: 3-axis gravity sensor Waterproof rating: IP67 Display: 0.96 inch Battery: polymer lithium battery 90MA Heart rate: dynamic real-time heart rate sensor Use time: about 7 days APP compatible language: Chinese simplified, Chinese traditional, English, Japanese, Spanish and other languages Size: Approx. 4.5*2* 1.5cm/ 1.77* 0.79* 0.59inch Package Size: Approx. 15* 7.5* 3.5cm/ 5.91* 2.95* 1.38inch Package List: 1 * Bracelet 1 * Charging Base 1 * Data Cable 1 * User Manual