Model No: Watch T800 Ultra Screen Size: 1.99'' Color HD Display It has 3 days stand by battery backup It has full day usage battery capacity It has USB Wireless magnetic charger for charging It has Bluetooth calling function It has clear voice call through Bluetooth calling It has crown working button for scroll down and up and many more This is the best smart comes in new design and great battery backup with lots of features It has some health monitoring features also which is use for reference only not for medically purposes.