1. Chip: Realtek 8762D 2. Body temperature: contact temperature test 3. Audio chips: BK3266 4. Battery capacity: 230mAh 5. Screen size: HD 1.7 inch full round scree, 240x280 resolution 6. Heart rate/blood pressure: HRS3300 7. Waterproof: IP67 8. Bluetooth: Bluetooth V5.0 (compatible Android 4.4 and iOS 9.0 above version) 9. Operation mode: full touch screen + button 10. Sensor: 3D accelerated ROHMS 11. Material: Zinc alloy case + ABS 12. Strap: TPU, length: 265.8mm 13. Charging mode: USB 2.0 magnetic suction charging (protect) 14. Bluetooth calling: to answer reject the phone connection state bracelet end of dial phone call records 15. Music player: can play music in the mobile phone, and control the mobile phone music playback 16. Health monitor: temperature measurement, step counting, sleep monitoring, heart rate, blood pressure, blood oxygen, sedentary reminder, water reminder 17. Sports modes: Number of sports steps, sports mileage record, card consumption, a variety of sports mode, movement track (mobile APP display) 18. Standby time: 30 days standby and 3-6 days daily battery life (the above data are from the factory laboratory, and may vary depending on personal use environment and process) 19. Other functions: Mute alarm clock, remote photo taking, music control, sedentary reminder, water reminder, weather display, etc 20. Wechat movement: Follow the public account, can share synchronization to WeChat campaign 21. App language: English, Arabic, Danish, German, Spanish, Finnish, French, Italian, Japanese, Korean, Dutch, Norwegian, Polish, Portuguese, Russian, Swedish, Thai, Ukrainian, Chinese, Traditional Chinese 22. Firmware language: Chinese, Traditional Chinese, English, German, Korean, Spanish, Japanese, French, Russian, Arabic, Ukrainian, Italian, Portuguese 23. Watch size: 250*38*10mm 24. Net weight: 46g (including watchband)