This Ruxing Smart 2.01 ''Hd screen Smart watch meets the functions of Bluetooth connection, information notification, multiple exercise modes, Smart reminder, heart rate and sleep monitoring, blood oxygen detection, physiological reminder, listening to music, etc. Magnetic charging, 460 mA battery. IP68 waterproof, a variety of dial optional, smart watch compatible with Ios 10.0 or Android 6.0 above, watchband with soft and comfortable silicone strap.