T20 1.96 inch IP67 Waterproof Silicone Band Smart Watch, Supports Dual-mode Bluetooth Call Heart Rate Monitoring 1. Functions: dual-mode smart Bluetooth call, 8763E one-key connection, 100+ sports modes, true blood oxygen, aluminum alloy metal shell, multiple sets of theme UI, intelligent language assistant, emotion detection, stress detection, breathing training, women's health , SOS emergency calls, games, heart rate monitoring, blood pressure monitoring, blood oxygen monitoring, multi-sports mode, custom dials, online multi-dials, exercise records. Sleep monitoring, message reminder, weather reminder, split screen function, ultra-low power consumption and long battery life. 2. CPU chip: Realtek 8763E 3. Blood oxygen: red light + infrared 4. Battery: Battery capacity: 260mAH (Pure cobalt battery for Seiko protection board) 5. Display: 1.96-inch 240*282 high-definition touch screen 6. Heart rate: continuous heart rate LC11S 7. Waterproof: IP67 level 8. Bluetooth version: Bluetooth 5.2 (support Android 4.4, IOS9.0 and above) 9. Touch: full touch screen (full lamination screen) 10. Sensor: ST8321 11. Shell material: alloy metal + plastic 12. Charging method: Magnetic 2pin charging cable (with protection) 13. Bluetooth call: Can answer and reject calls, in the connected state, make a call on the wristband, with call records 14. Music function: can play music in mobile phone, and control mobile phone music playback 15. Standby time: 30 days of standby, 3-5 days of daily battery life (the above data are from the factory laboratory, and may vary due to personal use environments and processes) 16. Life assistant functions: intelligent language assistant, silent alarm clock, remote camera, music control, sedentary reminder, drinking water reminder, weather display, etc. 17. Language: - APP: Simplified Chinese, English, Korean, Japanese, German, Spanish, French, Italian, Portuguese, Arabic, Polish, Russian, Dutch, Turkish, Indonesian, Czech, Chinese Traditional - Firmware: Simplified Chinese, English, Korean, Japanese, German, Span