Core selling point: 1. 1.69” color full screen touch 2. A variety of exquisite dials, APP can push dials, and 5 watches can be saved 3. Real-time dynamic heart rate 4. Long battery life 5. Support multi-sport mode 6. Support multi-country localized UI language 7. Support IP67 waterproof level 8. Fashion youth, taking into account both male and female models Bluetooth version: BT5.0 Heart rate sensor : Tianyi Hexin HX3605 Pedometer Sensor : Silan Micro SC7A20 Size： 1.69 inch Resolution： 240*280 Touch： full screen touch Physical button： one Capacity： 200mAh Battery life： 7-10 days Function : Heart rate/Sleep monitoring/blood pressure/Blood oxygen/Multi-sports mode/Information and social information push/incoming call/Alarm clock/Sedentary reminder/Stopwatch/Find phone/Remote camera language：English, Chinese, Spanish, Portuguese, German, French, Russian, Italian, Thai, Dutch, Czech, Turkish, Malaysian, Slovak, Polish, Japanese