New in box smart watch with charger

New in box round smart watch with adjustable rubber watch band with Charger and instructions. This flat round faced smart watch charges right up. All that I know it's that it works however I do not know exactly how to set it up. Connects (pairs) via blue tooth and will show heart rate, date, sleep info, time and email messages. Does come with with instructions. Smart watch that looks like a Galaxy watch. Smartwatch. Wearable. Men or women or older children/teens. Pics are shown on my wrist.