UHF Wireless Microphone Headset Handheld Mic System 3.5/6.5mm Receiver For Voice Amplifier Speakers ,Easy to Operate

<p>Wireless microphone:</p><p>Transmit Power output:13dBm</p><p>Sensitivity:-41dB(+-2dB)(0dB=1V/Pa)</p><p>Direction features:Unidirectional</p><p>Polymer battery: 3.7V 500mAh</p><p>Impedance:2.2K</p><p>Product size:66*32*26mm</p><p>Charging time:2-3 hours</p><p>Working time:3-5 hours</p><p>Related Products:voice amplifier,voice amplifier for teachers,speaker with microphone,microphone with speaker,amplifier,portable microphone,voice amplifier wireless microphone,portable microphone and speaker,portable speaker with microphone,microphone speaker</p>

• Using high-power speakers, this sound effect is clear and loud, covering a wide range of transmission.
• In order to achieve the best sound amplification, place the microphone head 1cm in front of the mouth and speak at the microphone head;
• If there is a howling, please turn down the volume and pull the machine and the microphone away to prevent interference;
• It is recommended to charge the battery after using up. If it is not used for a long time, it should be charged once a week.
• This Voice Amplifier is a multifunctional portable loudspeaker with sound-amplifying, digital music playing function.