Voice Sound Amplifier Bullhorn Megaphone Loudspeaker For Portable Loud Speaker With Wired Microphone Teacher ,Easy to Operate

<p>Suitable for: teaching, tour guides, promotions, meetings</p><p>Support USB disk and TF card to play music</p><p>power: &gt;5W</p><p>Charging: use standard USB 5V (can use mobile phone charger)</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 is a black amplifier. If you need a red or a blue one, please contact .