Smartphones are very valuable and cheaper today and these are used for many purposes like studies, playing games, sending emails, multimedia messages, Registering contacts, learning new things and mainly making calls to others. We have better features and specifications in nowadays. Smart Watches having a Features such as weather, water, and shock resistance, compass and GPS, customizable alarms and reflector displays.laptops are commonly used in a variety of settings, such as at work, in education, for playing games, Internet surfing, for personal multimedia, and general home computer.