L21 1.69 inch TFT Screen Smart Watch,Support Blood Pressure Monitoring / Sleep Monitoring(Black)

1. Chip model: BK328862. ROM: 64MB3. Bluetooth version: 5,04. Heart rate sensor: Tianyihexin 33005. Pedometer sensor: Silan Micro SC7A206. Screen: 1.69 inch TFT7. Resolution: 240*2808. Battery capacity: 220mAh9. Material: zinc alloy + silicone10. Waterproof grade: IP6711. Compatible system: The supported system is iOS 9.0 and above, Android 4.4 and above12. UI language: English, Chinese, Spanish, Portuguese, German, French, Russian, Italian, Thai, Dutch, Czech, Turkish, Malay, Slovak, Polish, Japanese (16 countries)13. APP supports languages: Chinese, English, Chinese [Traditional], Japanese, Korean, French, German, Russian, Polish, Spanish, Portuguese, Dutch, Arabic, Czech, Greek, Hindi, Hungary, Italy , Slovakia, Turkey, Thai, Croatia (22 countries)14. Functions: step counting, heart rate monitoring, sleep monitoring, blood pressure monitoring, blood oxygen monitoring, multi-sport mode, information and social information push, call reminder, alarm clock, sedentary reminder, stopwatch, find mobile phone, audio function, remote control camera, etc.15. Dimensions: 43x36x9.8mm