Main Features:<br />3M H10A professional noise reduction protective earmuffs<br />Adjustable protective earmuffs， suitable for most people<br />Soft ear pads， not easy to get tired<br />Perfect for study， working， travel， etc.<br />For noise level: 105dB<br />NRR: 30dB<br />SNR: 35dB<br /><br />    Specifications<br />General<br />  Brand Name: 3M                                                  <br />                        Model: H10A                                                 <br />Dimension and Weight<br />  Product weight: 0.318 kg                                                  <br />                        Package weight: 0.630 kg                                                  <br />                        Product size (L x W x H): 18.50 x 19.00 x 10.50 cm / 7.28 x 7.48 x 4.13 inches                                                  <br />                        Package size (L x W x H): 23.20 x 20.60 x 11.50 cm / 9.13 x 8.11 x 4.53 inches                                                 <br />Package Contents<br />  Package Contents: 1 x Earmuffs                                                 <br /><br /><br /><br />                                            <br /><br /><br /><br /><br /><br /><br /><br />                                                <br />