· Product Features

1、Long press the "speak" button to switch the machine on and off；
2、Short press "SPEEK" button to start and stop.;
3、128*64 OLED display, graphical display, terminal ID number, wireless channel number, wireless signal strength, speech and stop speech status information;
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、Powered by 3 AA dry batteries, the working time is less than or equal to 8H when fully charged；

· Technical Parameters