"This 3-pack of 3.5mm Female to 6.35mm (1/4 inch) Male Audio Adapters allows you to connect standard 3.5mm audio plugs—such as headphones, AUX cables, or microphones—to professional audio equipment with a 6.35mm input. Ideal for use with mixers, amplifiers, keyboards, and other pro audio gear. Compact, easy to use, and perfect for home studios, stage setups, or everyday audio needs."