Smartphone: A portable device that integrates a variety of functions such as a phone, camera, music player, and Internet browser. With powerful computing power and network connectivity, smartphones are an indispensable part of modern life.

Digital camera: A camera that uses electronic sensors to convert optical images into electronic data. Digital cameras use CCD or CMOS sensors to store images directly in digital storage devices, such as flash memory or digital memory cards. Digital cameras have the advantages of immediate viewing after taking pictures, accurate color reproduction, and adjustable sensitivity.

Computer: A comprehensive digital product composed of core components such as CPU, memory, hard disk, and graphics card. Computers have the characteristics of high efficiency and easy expansion, and are widely used in work, entertainment, and other aspects. According to usage scenarios and performance requirements, computers can be divided into desktop computers, notebook computers, and tablet computers, among others.

MP3/MP4 player: A portable device used to play audio and video files. These devices typically feature high definition, internet connectivity, and intelligent controls to provide users with a rich entertainment experience.

Smart wearable devices: such as smart watches, smart bracelets, etc. These devices are usually paired with smartphones and have functions such as health monitoring, information reminders, and motion tracking. Smart wearable devices are loved by consumers for their portability and practicality.