Enjoy the freedom of wireless speaking anywhere with the Wireless Headset Microphone (Bonus lapel microphone included). Just connect the receiver to any amplifier and you can communicate wirelessly up to 100 feet. Perfect wireless microphone for teaching? meetings? presentations? or anywhere you need hands free. <br><br>Features:  <br><br>1) Wireless headset & clip microphone  <br><br>2) Economical & applied for kinds of occasion  <br><br>Specification: <br><br>1) Frequency : VHF <br><br>2) Frequency Response: 165Hz-270MHz <br><br>3) Output Impedance: 600? <br><br>4) Sensitivity:  -52dB <br><br>5) Distortion: ?0.5% <br><br>6) Effective Distance: about 50m <br><br>7) Transmitter/Receiver Frequency: 114MHz-116MHz <br><br>8) Power supply: <br><br> Transmitter: 1x9V battery  <br><br> Receiver: 2x1.5V battery<div class="params_begin">Specification:</div><div class="params_group"><table border="0" class="params_group_table">  <tr>	<td class="params_group_name">			Package Weight		</td>	<td class="params_props">			<div class="params_prop ">		  <table border="0" class="params_prop_table">			<tr>					<td class="params_name">One Package Weight</td>			<td class="params_value">				0.50kgs / 1.09lb			</td>					</tr>		  </table>		</div>			<div class="params_prop ">		  <table border="0" class="params_prop_table">			<tr>					<td class="params_name">Qty per Carton</td>			<td class="params_value">				20			</td>					</tr>		  </table>		</div>			<div class="params_prop ">		  <table border="0" class="params_prop_table">			<tr>					<td class="params_name">Carton Weight</td>			<td class="params_value">				9.10kgs / 20.06lb			</td>					</tr>		  </table>		</div>			<div class="params_prop last_prop">		  <table border="0" class="params_prop_table">			<tr>					<td class="params_name">Carton Size</td>			<td class="params_value">				52cm * 30cm * 35cm / 20.47inch * 11.81inch * 13.78inch			</td>					</tr>		  </table>		</div>		</td>  </tr></table></div><div class="params_end"></div> <p><img src="https://lh3.googleusercontent.com/I4zSKMEzHpW61-3TFhpK3_fVhZ1Wg1_98f-5g-bmEs7-QdINVtbviUnaAiAv1aA461UlJTTkBHkxiuagiCnt8mnOAMESi_KshgSPOgM8DZUknxOSClDJCLvl0iu0gOQ3Uh32R0WFUxghs214ynnvvQz6AgOz_4iPWrAaPysPHYXO1ez6EgGMW2qISuAiuoeYolGs51QxIBs-iFJr8ucGZPjfdA738QF_5R-9MbQ0meiHQ_LTTvoJqX3lZQJy3BO_z-4-2XlxK6N4tv-aSxXlItOWL1J6l7UX72POSghLtYzW1_vvr7_KFePoXiWYh8J4Tmagyp_j7dHWpozwq8JvflbswqxLCyEavoB9lCDNGpBd5rkjxCtO_DiGhea3JGljioJQIpQiCAJlBtoF90S_Zj7hbDyvPWJ9b0b8KedMSPXspGN8xOi3JTQTXJI4XmRQwkZx90VhBydy2gKjix889O45l3ZigN0yQeGDOVFitwAY8DLl6aXcHcX0T3P4ko9-EDvc2UyXstKz4Rga3wArJ-8ynfsghHCnfZsCUfPbkjc4fJXysUSb0WbR0i0WgzuCMyGahg=w897-h507-no" alt="" /></p>