Portable devices are small, lightweight electronic gadgets that can be easily carried and used on the go. Examples include smartphones, tablets, and laptops. These devices often have built-in batteries, allowing them to operate without being plugged into a power source, making them convenient for travel and daily use. Many portable devices offer various functions, such as internet browsing, communication, and entertainment. They typically feature touchscreens or keyboards for user interaction and can connect to Wi-Fi or cellular networks for online access. Their versatility makes them popular for both personal and professional use.