Main Features:<br />Nintaus 4.5inch LED screen multifunction speaker<br />Use ABS material， sturdy and durable and super anti squeal<br />Newest microphone and advanced IC circuit to stop whistlers happening effectively<br />You can hang item in your waist and on your shoulder， convenient to carry<br />Play music， movie in SD/MM/U disk<br />Audio FM stereo radio， searching and keep radio station automatically<br /><br />Details:<br />Frequence response: 100Hz-13kHz<br />Current consumption: 150Ma<br />Output impedance: 4 Ω<br />Input signal: Wired microphone (20dB 600 Ω)<br />Microphone sensitivity: -53Dbv/Pa<br /><br />    Specifications<br />Primary Features<br />  Design: Stylish， Mini， Classical， Fun， Multifunctional， Cool， Portable                                                  <br />                        Supports: FM， TF Card Music Playing， Loudspeaker                                                  <br />                        Functions: Stereo， AUX Function                                                  <br />                        Compatible With: MP3， iPhone， MP4， PSP， MP5， Laptop， Mobile Phone， Tablet PC， PC， TF/Micro SD Card， iPod                                                  <br />                        Connection: Wired                                                  <br />                        Interface: 3.5mm Audio， USB2.0， Micro USB， TF Card Slot                                                  <br />                        Audio Source: TF/Micro SD Card， U-disk                                                  <br />                        Color: Red， Black                                                 <br />Technical Parameters<br />  Power Output: RMS20W                                                 <br />Other Parameters<br />  Power Source: USB                                                  <br />                        Charging Time: 4-6 hours                                                 <br />Dimension and Weight<br />  Product Weight: 0.4 kg                                                  <br />                        Package Weight: 0.75 kg                                                  <br />                        Product Size (L x W x H): 15.0 x 11.0 x 6.5 cm                                                  <br />                        Package Size (L x W x H): 27.0 x 16.0 x 7.5 cm                                                 <br />Package Contents<br />  Package Contents: 1 x KK-123 4.5inch Screen Speaker 1 x Microphone 1 x Remote Control 1 x Charger 1 x USB Cable 1 x Cotton Tape                                                 <br /><br /><br /><br />                                            <br /><br /><br />                                                <br />