A smart watch adopts MTK6580 Qual Core with Android 5.1 OS RAM 512MB + ROM 4GB. Durable aluminum watch case through anodic oxidation processing and CNC manufacturing. 1.39 inch AMOLED 400*400 circular capacitive touch screen. HD camera with 6P lens and F2.0 large aperture interpolated 2 million physical pixels easily take beautiful photos. Using OIS and 3D noise reduction technology to record HD video.</br>A smart watch can be use as a MP3 player Video player Sound Recorder Pedometer Alarm clock Heart rate monitor Remote Control Anti lost Message Reminder all in one! It can synchronize update notification of your Appswhile the bluetooth is being connected. You will never miss what matters</br>A smart Watch supports GPS map tracking satellite positioning with Voice assistant GPS help you to locate and determine the correct direction</br>A smart Watch can independently make / receive phone calls with one SIM card of 2G GSM 850/900/1800/1900 3G WCDMA 850/2100 internet. And it can connect WIFI and bluetooth.In Google play it supports downloading numerous popular applications.</br>A smart Watch comes with high accuracy heart rate sensor?? it will help you to know your heart rate status anytime anywhere. It also can automatically record your daily steps??distance and calories burned. Be your own immediate health steward. Enjoy your smart life!</br></br>Product Description</br></br>Hardware Specification: * CPU: MTK6580 Quad Core??1.3GHZ * Memory: RAM:512MB?? ROM: 4GB (Note: Because the smart watch app and software has occupied about 2GB memory?? the rest free using memory is about 2GB.) * SIM Card: Independent standby?? Hand-free call?? Nano SIM * Network: GSM 850/900/1800/1900; WCDMA 850/2100 * Touch screen: 1.39 inch AMOLED whole round HD; * Resolution: 400*400 pixel;260000 colors * Camera: 2MP * Bluetooth: BT 4.0 * WIF