Noise reduction: Noise Cancelling Headphone delivers up to 34 dB attenuation to protect ears from loud sounds. Target users: Designed for children, providing a quieter environment for concentration or relaxation. Comfortable and adjustable: Adjustable headbands and soft ear cushions ensure a comfortable fit for children and adults, ideal for extended wear. Durable and stylish: Earmuffs are crafted from ABS, offering longlasting use while maintaining a stylish appearance that kids will love. Key attributes: Function: noise reduction Compatibility/fit: adjustable headbands for children and adults Size: adjustable design Material: ABS Performance: up to 34 dB attenuation Use scenarios: 1) In classroom or at home study time to minimize distractions and help focus. 2) During travel on planes, buses, or trains to reduce ambient engine and crowd noise. 3) Quiet time for rest or relaxation in noisy environments, such as after school or before bedtime.