Best price superior quality portable mini wires speakers

Question 1: Why does the voice amplifier produce feedback or screeching and how can I avoid it ?

Answer 1: You can avoid feedback or screeching by reducing the volume or moving the speaker further from the microphone.

Question 2: How long does the battery take to charge?

Answer 2: The typical battery charge time is 6 or more hours, depending on factors like temperature and use time of the battery.

Question 3: Can you tell me the life of the battery, and can I change the battery?

Answer 3: The battery life is about 2-4 years, please contact our company or dealers for replacement batteries and procedure to replace the batteries.

Question 4: My voice amplifier will not work or produce sound?

Answer 4: Check that your microphone is plugged into the correct port, your battery is charged, and the voice amplifier is turned on to an audible volume. If you continue to have problems please contact our company or dealers for help.

Question 5: My voice amplifier cannot play the audio files from the TF card?

Answer 5: Please put your audio files directly into the TF card, remember not to put them in a File Folder! Do not create other folders and store large-capacity files in the TF card which will result in a device error. If you continue to have problems, try using a higher-quality TF card.