Main Features:<br />●?Just connect the receiver to any amplifier and you can communicate wirelessly up to 20m<br />●?Clip-on microphone or cordless headset mic both can free your hands when you speaking<br />●?Modulation: FM Transmitter / Receiver<br />●?Perfect for meetings， speeches， conference， karaoke， church etc.<br />● Compact portable design， enjoy the freedom of wireless speaking <br />●?Including two kinds of microphone (a head-worn microphone and a clip-on microphone) for your random selection?<br />● Transmitter power: 1 x 6F22 9V battery ( included )?<br />● Receiver power: 1 x AAA 1.5V battery ( included )?<br /><br />    Specifications<br />Product Details<br />  Type: Wireless                                                  <br />                        Connection: 3.5mm                                                  <br />                        Frequency Range : 80 - 12.5KHz?                                                  <br />                        Sensitivity Range: -52dB                                                  <br />                        Package weight: 0.360 KG                                                  <br />                        Package size (L x W x H): 26.000 x 17.000 x 7.000 cm / 10.236 x 6.693 x 2.756 inches                                                  <br />                        Package Contents: 1 x Headset Microphone， 1 x Clip-on Microphone， 1 x Wireless Transmitter， 1 x Wireless Receiver， 1 x 1.5V AAA Battery， 1 x 6F22 9V Battery                                                  <br /><br /><br /><br />                                            <br /><br /><br /><br /><br /><br /><br /><br /><br /><br />                                                <br />