1, Main screen: 1.52inch, resolution: 360*360;2, CPU: Realtek 8762DT+JL; Memory: RAM128KB + ROM128MB3, Bluetooth 5.1; support call4, Battery: 300mAh; Battery life: 5-10 days5. Support multi-sport mode, sleep monitoring, real heart rate, information push 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