KJ-99B/NC & KJ-99B/NC-QD Classic ultra-light headset
>
Binaural contact headset
> High-definition voice communications, reflecting the soft sound
> Classic head card design, to bring you comfortable,
   lightweight
and perfect feeling
>
Microphone can rotate 300 degrees,freely to chose right
   or left side to wear

>
Noise-cancelling MIC can shield 75 percent of background noise,
   allowing customers to listen
more clearly
> Optional convenient plug cable (QD), to reduce
wastage of headset
>
The headset plug can be RJ09 interface, PC dual-plug or
  
a USB plug with a separate sound card
> Distribution of
microphone cover and headset cover
> 1 year warranty