?The mini microphone can let you enjoy the freedom of wireless speaking anywhere with the wireless microphone. <br><br><strong>Features:</strong> <br>Enjoy the freedom of wireless speaking anywhere with the wireless microphone. <br>Equipped with a holder with lavalier£¬ it can free your hands. <br>With a long antenna on the mic£¬ you can also hang it on you neck£¬ easy to carry. <br>Frequency selection of IR£¬ with 50 frequencies£¬ easy to set and operate. <br>Just connect the receiver to amplifier and you can communicate wirelessly up to 40m. <br>Perfect wireless microphone for teaching£¬ meetings£¬ presentations£¬ running a show or any where you need a hands free microphone. <br>Light-weight and portable to take it anywhere with you. <br><br><strong>Specifications:</strong> <br>Mode: V-Mic <br>Carrier Frequency Response: 220-270MHz <br>Deviation: ¡Â30KHz <br>Frequency Stability: Within¡Â0.005% <br>SNR: &gt;60dB <br>Harmonic Distortion: &lt;1% <br>Mute Control: (Noise lock) Mute Control <br>Frequency response: 50Hz- 18KHz¡Â3dB <br>Harmonic?Interference Ratio: &gt;80dB <br>Output intensity: 0-400mV <br>Working Distance: 40m(Max.) <br>Transmitter Power: Built-in lithium battery <br>Receiver Power: 1 * 3.7V 14500(Not included) <br>Mic Size:? 7.5 * 2.5 * 1.5cm? / 3.0 * 1.0 * 0.6in <br>Mic Weight: 35g / 1.2oz <br>Receiver size: 11 * 6.5 * 1.8cm / 4.3 * 2.6 * 0.7in <br>Receiver weight: 35g / 1.2oz <br>Package size: 13 * 8.5 * 4.5cm / 5.1 * 3.3 * 1.8in <br>Package weight: 139g / 4.9oz <br><br><strong>Note:</strong> <br>Long press the CH key£¬ you can see the number flicker£¬ press the -/+ key to select the frequency of the IR. After selecting the frequency of the IR£¬ press the CH key again£¬ you will see the green light£¬ which means it matches successfully. <br>Battery is not included. <br><br><strong>Package List:</strong> <br>1 * Microphone <br>1 * Receiver (6.3mm Jack) <br>1 * Antenna <br>1 * Micro USB <br>1 * Mic Holder