Main Features:<br />Work with PC and notebook<br />USB power supply<br />Built-in sound amplifier<br />Portable size for travel usage<br />With diaphragm， low pitch<br />Can adjust the volume<br />With colorful light at the buttom<br />Frequency response: 60Hz - 20KHz<br />S / N: 75db<br />Impedence: 4ohm<br />Power supply: USB / DC5V 1A<br /><br />    Specifications<br />Specification<br />  Design: Stylish                                                  <br />                        Feature: Portable                                                  <br />                        Interface: USB2.0                                                  <br />                        Product Weight: 0.466 kg                                                  <br />                        Package Weight: 0.600 kg                                                  <br />                        Product Size (L x W x H): 14.5 x 7.2 x 7.2 cm / 5.7 x 2.8 x 2.8 inches                                                  <br />                        Package Size (L x W x H): 17.0 x 16.5 x 8.8 cm                                                  <br />                        Package Contents: 2 x Speaker                                                 <br /><br /><br /><br />                                            <br /><br />                                                <br />