Wireless headphones are headphones that do not require a physical connection to the device they are playing audio from. Instead, they use wireless technologies such as Bluetooth to connect to the device and play audio wirelessly. They are usually powered by a rechargeable battery and are designed to be portable, lightweight, and comfortable for extended use. Wireless headphones offer greater freedom of movement, eliminating the need for wires that can get tangled and restricting one's movement. They are popular among music lovers, commuters, travellers, and athletes who want to enjoy their music and audio content without the restrictions of wired headphones.