North En Smart Box i6

I6 Smart Box (Limited Edition) Product Features North grace I6 Smart Box (Limited Edition), connecting ordinary telephone / digital telephones handle interface or a dedicated headphone jack. Features: Connect the ordinary telephone / digital telephones handle interface or a dedicated headphone jack adjust the headset consistent line order and telephone interfaces, to ensure that the headset is compatible with a variety of telephone. . Headset microphone provides voice and speaker volume control off. Microphone does not have a zoom function.