Walkie-talkies are portable two-way radios that allow users to communicate wirelessly over short distances. They operate on specific radio frequencies and are commonly used in various settings, such as outdoor activities, construction sites, and security operations. Walkie-talkies are powered by batteries and typically feature a push-to-talk button for easy communication. These devices come in various sizes and designs, often with features like adjustable volume, built-in speakers, and channels for different groups. Walkie-talkies are popular for their simplicity and reliability, making them a practical choice for both recreational and professional use.