Wireless earbuds are compact, cable-free audio devices that connect to smartphones and other electronics via Bluetooth. Unlike traditional headphones, they consist of two independent buds that sit directly in the ear, powered by internal batteries and typically stored in a portable charging case. Modern models often feature Active Noise Cancellation (ANC) to block environmental sounds, integrated microphones for hands-free calls, and touch-sensitive controls for managing playback. Their lightweight, ergonomic design makes them a popular choice for commuting, exercising, and seamless multitasking.