This Ruxing Smart 1.43 ''Amoled screen with 466466 resolution. The smart watch meets functions such as Bluetooth connection, information notification, multiple exercise modes, menstrual reminders, smart reminders, heart rate and sleep monitoring, blood oxygen detection, and listening to music. Personalized dial settings, magnetic charging, 200 mA battery. Life waterproof, smart watch compatible with Ios 9.0 or Android 4.4 above, the strap adopts soft and comfortable silicone strap and fashion mesh strap styles for your choice.