Flexible Rotation Arm: Microphone arm can rotates by 330 degrees freely at which position most fits you, suitable for wearing on either ear.
Noise Cancellation Microphone: Equipped with noise canceling microphone, it can increase the voice clarity for superior high quality sound and screen 90% background noise so as to perfectly and truly present the sweet voice of the telephone operator.
POWERFUL WIRELESS BLUETOOTH KARAOKE MICROPHONE: Connect the powerful Q9 Karaoke speaker with Bluetooth to your PC, cell phone or other devices. It's compatible with various singing application. Built-in rechargeable battery makes it much more convenient anytime you want to sing!
REMARKABLY KTV ECHO EFFECT: The volume for the speaker is controlled via your own music player. With built-in dual Speaker of high quality stereo sound, you can hear clear audio and enjoy vivid sound effect anytime you want!