1, main screen: 2.03 inch full touch screen, resolution: 240*296, IP67 waterproof2, CPU: Realtek 8762DT; RAM: 128MB3, Bluetooth 3.0/5.0; support call4, Battery: 300mAh; Battery life: 5 days for dual Bluetooth, 15 days for single Bluetooth5. Support information, heart rate, exercise, womens health, sleep and other functions6. 22 languages: Chinese, English, Russian, Arabic, Vietnamese, Danish, Thai, Polish, Persian, Spanish, Malay, Greek, French, Italian, German, Portuguese, Turkish, Latin, Romanian, Hebrew, Burmese, Ukrainian