
ship from Japan Mic Close Button: Simply press the mic to turn it off. Volume up and down buttons: You can adjust the sound to your liking. Speaker Close Button: You can turn off the speaker to avoid transferring unnecessary information. Working status indicator light: standby green light is always on, call green light is flashing, closed sound is flashing red light. The RJ9 jack connects to your earphones and the USB plug connects to your computer.





