Product information:
Brand: KONTACT
Noise-cancelling MIC
Rotatable and flexible microphone hose
Telescopic stainless steel head card
Excluding QD connecting cable
Headset plug: RJ09
Distribution: Headset cover and microphone cover

Headset Dialer
Model: KT-10
Music revered function
Mute fuction
Flash off fuction: 100ms/300ms/600ms adjustale
Redial fuction
Ring/Engaged/Holding/Mute direction
Adjustable MIC sensitivity, speaker volume
Ringing tone volume: high,low or off adjustable
Auto-answer fuction
Can connect to two headsets
Super anti-lightning function