C20Plus 1.81-inch Health Monitoring Waterproof Bluetooth Call Smart Watch 1. Main control: 7012F6 2. Memory: 128M 3. Bluetooth: 5.3 4. Step counting: G-Ssensor is Minghao DA267 5. Heart rate: WikiXin Micro VC30F 6. Display: 1.81-inch TFT square screen 240 x 286, CTC+ST7789P3, FPC plus shielding film 7. Motor: 0827 flat motor, wire welding type 8. Speaker: 0815 waterproof, wire welding type 9. MIC head: 4015, wire welding type 10. Charging method: 2PIN magnetic holder 11. Battery capacity: 410mAH polymer pure cobalt battery 12. Standby time: 60 days 13. Battery life: 20-30 days 14. Basic functions of the software: activity center (step counting, calories, distance), sleep detection, heart rate detection, exercise modes (100+ types), exercise records, blood pressure detection, blood oxygen detection, stress detection, weather information, Bluetooth calls, Information, remote control photography, music control, breathing training, stress reduction and sleep aid, voice assistant, timer, alarm clock, stopwatch, menstrual cycle, phone search, calculator, do not disturb mode, power saving mode, raise your hand to light up the screen, brightness adjustment , sound mode, vibration adjustment, dial switching, menu style switching, exercise target setting 15. Sports modes: 100+ sports modes (walking, outdoor running, cycling, exercise bike, swimming, yoga, elliptical machine, basketball, football, badminton, table tennis, rugby, tennis, baseball, skipping, mountain climbing, long jump , hula hoop, volleyball, golf, sit-ups) 16. All-day heart rate: All-day heart rate trend and data analysis 17. Blood oxygen detection: supports red light and infrared light sensors to measure blood oxygen saturation 18. Message and call reminders: phone calls, text messages, WeChat, QQ, Facebook, Twitter, Instagram, Skype, WhatsAPP, Line, Kakao Talk, others 19. Reject an incoming call: When prompted for an incoming call, click the hang up button to hang up the call. 20. WeChat sports: supports synchronization