Speaker Mini Voice Amplifier Microphone With USB TF Card FM Radio For Teacher Tour Guide Promotion ,Easy to Operate

<p>Product size 93 * 85 * 38mm</p><p>In primary formsMP3 / MAV</p><p>Lithium battery 1200 mAh</p><p>Load voltage of DC5.0 V</p><p>Working voltage DC3.7 V</p><p>Rating 5 W</p><p>Package content:</p><p>1 * amplifier</p><p>1 * user manual</p><p>1 * USB cable</p><p>1 * 1200 mAh Replaceable battery</p><p>1 * waist belt</p><p>1 * Professional wired headphone microphone</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.