WONDER WOMAN offers a brand new and innovative Waterproof Mobile SmartWatch with Touchscreen & Bluetooth Technology. The Smartwatch has a built-in Mic, SIM slot, Micro-SD slot, camera & speaker. This mobile SmartWatch lets you stream music from bluetooth-enabled wireless devices such as smartphones or tablets and play songs wirelessly anywhere, for phone calling, pedometer for health monitoring & step monitoring, sleep monitoring, set reminders & Anti Lost Function. It has a 400mAh battery. There is also voice call support without smartphone connectivity thanks to the SIM support.