CS254 1.57 inch TFT Touch Screen 3ATM Waterproof Smart Watch, Support Sleep Monitoring Heart Rate Monitoring Bluetooth Voice Call Bluetooth Music Playback 1. Main control: MTK2523D, heart rate: Goodix 3011, blood oxygen: Goodix 3011, scientific sleep: Goodix 3011, speaker: with woofer 2. Screen: 1.57 inch high resolution color screen, resolution: 320*360 3. Battery: Lithium battery 300mAh-3.8V, battery life: 5-7 days 4. Material: metal middle frame + ABS + PC bottom shell + liquid silicone wrist strap + MIMO wrist strap buckle assembly 5. Charging method: magnetic charging 6. Support Bluetooth: BLE4.2, support system: Android: 5.0iOS 10.0 7. RAM: 4MByte, ROM: 4MByte 8. Bluetooth voice call, Bluetooth music playback, one-key wake-up mobile phone voice assistant, heart health monitoring (screening for arrhythmia), accurate blood oxygen detection, scientific sleep (REM), breathing training, stress evaluation, 24-hour heart rate monitoring, pets Calorie development (dynamic and fun) 9. Sports: 18 types of sports cover most of the daily sports scenes, automatic movement recognition, field expansion compass function, exercise time recording 10. Screen display: automatic adjustment of screen brightness, custom dial on APP (changeable when shooting), dynamic picture of dial, APP push dial with multiple excellent dials to choose from 11. Powerful functions: incoming callalarmschedule reminder, message display, step count, calories, standing reminder, 24-hour heart rate graph, remote camera one-touch shooting, do not disturb mode, flashlight lighting, ultra-low battery reminder, weather forecast, Timer etc. 12. Language: The watch firmware comes with 9 languages ​​(Simplified Chinese, Traditional Chinese, English, Japanese, German, French, Spanish, Portuguese, Italian), the APP supports more than 20 voices, and supports multiple languages ​​around the world 13. Powerful HIIT animation coach to help you better achieve the effect of high-intensity exercise 14. Fun interaction: pets are kept in captivity, the calorie value consumed every day, raising small animals, a lot of fun 15. Over