Single Ear RJ9 Headset, Noise Canceling Mic, Adjustable Volume, Ideal For Customer Service Chat

Cell Phone Headset, RJ9 Business Headset Speaker Volume Adjustment Comfort Strong Structure For Video Chatting For Webinar Presentation RJ9 Single Ear Headset Cell Phone Headset with Mic Mute Speaker Volume and 6 Speed Line Sequence Adjustment Product Features Plug and Play: Cell phone headset is RJ9 crystal plug, Plug and play, no driver required, easy to use. Support call, speaker volume adjustment, microphone mute, 6 speed line sequence adjustment.With Noise Canceling Mic: RJ9 business headset with noise canceling microphone makes the headset have greater productivity and decent sound performance for calls or entertainments. Technical Specifications Item TypeRJ9 Single Ear HeadsetMaterialABSModelH390-RJ9-MVAColourBlackTypeMonauralPlugRJ9 Crystal PlugFunctionCall, Speaker Volume Adjustment, Mic Mute, 6 Speed Line Sequence AdjustmentScope of ApplicationFor devices with RJ9 headphone plugSpeaker Parameters: Sensitivity105±3dB at 178mV 1KHzSpeaker Parameters: Voice Coil Impedance150±15 Ohm at 1KHZSpeaker Parameters: Frequency100Hz-10KHzSpeaker Parameters: DistortionLess than or equal to 5% at 178mV 1KHZMicrophone Parameters: DirectivityUnidirectionalMicrophone Parameters: Sensitivity-40±2dB 2.0V, 2.2K Ohm , 1KHzMicrophone Parameters: DistortionLess than or equal to 5% at 4.5V 2.2K Ohm 1KHZMicrophone Parameters: Frequency200Hz-6KHzMicrophone Parameters: Current Consumption100-500υA