KJ-520B/NC & KJ-520B/NC-QD Lightweight and comfortable headset
> Binaural contact headset
> High-definition voice communications, reflecting the soft sound
> Wide head card design, to reduce the head pressure and bring all-day comfort
> 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 plug headset ,PC dual-plug or
   a USB plug with a separate sound card
> Distribution of microphone cover and headset cover
> 1 year warranty