· Product Features

1、Long press the "speak" button to switch the machine on and off.
2、Short press the "speak" button to start and stop. 
3、128*64 OLED display, terminal ID number, wireless channel number, wireless signal strength, volume, battery capacity, start and stop speaking.
4、With battery voltage detection, voltage alarm prompt and undervoltage automatic shutdown function .
5、Standard length 410mm detachable goose neck microphone stem for easy maintenance
6、Working time at full power is more than 8h.