Note: The TacGuru 130 is NOT a noise canceling headphone. It does NOT completely eliminate noise or play audio. This product provides passive hearing protection through noise isolation, specifically designed for kids Noise Reduction Rating (NRR): 23 dB Colorful Design: Available in a variety of colors, the TacGuru 130 appeals to kids, making them more likely to wear and benefit from hearing protection Adjustable Design: With an adjustable padded headband and soft foam ear cushions, the TacGuru 130 is designed to fit children ages 3 to 16 Warranty: We offer a 24-month warranty from the date of purchase TacGuru 130 Solid Color Edition, Kids Hearing Protection Earmuffs, One Size for 3- 16 Yr Old, Old Glory Blue