Jkoailiwi 2024 Newest Wireless Voice Amplifier for Teachers Q: How do I use this wireless voice amplifier for teachers? A: 1, Insert the wireless receiver into the mic port. 2, Press and hold the power button for 3 seconds to turn on the personal voice amplifier. 3, Press and hold the receiver and the wireless microphone for 1 second to initiate the automatic connection process. Q: How to avoid echoes and noise during use? A: As the microphone is an electronic device, proximity to the amplifier can sometimes result in echoes. To prevent this, we recommend setting the amplifier volume to the lowest level before turning it on. Also, avoid pointing the microphone's head directly at the amplifier. Q:How to solve the wireless microphone and receiver connection problem? A:1, Turn off the wireless device and turn it back on to try connecting again 2, The battery may be low, please fully charge your wireless device and try again 3, Pressing the power button on the wireless microphone will temporarily disconnect the connection during use. At this point, the indicator light will flash. Simply press the button again to restore the connection. Equipped with built-in Hi-Fi acoustic technology, it ensures crystal-clear sound.8W powerful output could cover 10000 sqft.Make sure everyone can hear your voice, thereby providing effective protection for your throat. Its compact size allows for effortless portability, enabling it to be comfortably worn on your waist without causing any discomfort or burden. Upgraded Wireless Voice Amplifier Upgraded Wireless Voice Amplifier Jkoailiwi Bluetooth Voice Amplifier with Wireless Lavalier Microphone, Person... Wireless Voice Amplifier Wireless Voice Amplifier Buying Options Buying Options Buying Options Add to Cart Add to Cart Price $39.99$39.99 $37.99$37.99 $56.99$56.99 $39.99$39.99 $39.99$39.99 Wireless ✓ ✓ ✓ ✓ ✓ Color Black White Black Rose Gold Black Transmission Distance 20m 20m 20m 20m 20m