1. App operating system: IOS8.0 or above, Android 4.4 or above 2. Waterproof rating: IP67 3. Screen: 1.69 inch TFT screen, resolution: 240*280 4. Bluetooth: BLE 5.0 5. Battery capacity: 190 mAh 6. Standby time: 7-10 days 7. Charging method: magnetic data cable 8. Charging time: about 2 hours 9. APP supported languages: Simplified Chinese, English, German, Russian, Japanese, French, Thai, Portuguese, Spanish, Italian, Polish, Malaysian, Slovak, Dutch, Czech, Turkish 10. Functions: body temperature monitoring, sleep monitoring, heart rate monitoring, blood pressure, blood oxygen, pedometer, distance, calories, stopwatch, multi-sports modes (running, cycling, swimming, mountain climbing), call reminder, information reminder, alarm clock reminder, Sedentary reminder, reminder to drink water, reminder to drink medicine, remote camera, etc. 11. Dimensions: host: 51.6x34.5x13.2mm, whole machine: 260x51.6x13.2mm
