1.Main screen: TFT 1.09 inches, resolution: 240*240 pixel, IP68 waterproof2.CPU: Realtek 8762C, RAM128KB+ROM64Mb3.Bluetooth 5.0, does not support calls4.Battery capacity: 180mAh, 7 days of battery life, a charging cable is standard5.Support functions such as detection of female physiological cycle, heart rate detection, exercise pedometer, sedentary reminder, sleep monitoring, etc.6.18 languages: English, Chinese, Russian, Arabic, Vietnamese, Thai, Polish, Spanish, Malay, Greek, French, Italian, German, Portuguese, Indonesian, Turkish, Japanese, Korean