monaural headset with microphone/RJ11/RJ9 for call center telemarketing/mute/volume control/noise cancelling funciton OEm and o

monaural headset with microphone/RJ11/RJ9 for call center telemarketing

Descriptions:-Call center headset with retractable head band.-Over the head call center headset for call centers.-Call center headset with flexible microphone, band to directions as needed.-Call centers headset also available for computers.-Over the head call center headset with soft sponge ear cushion.-Mono call center headset with RoHs/CE available as demand.-Call center headset with buyer's specifications accepted. -Package: PE bag / blister case / color box  Headphone specifications:-Driver unit: Dia 30mm -Impedance: 32ohms/150Ohm-Sensitivity: 109dB+/-3dB-Max input power: 50mW-Frequency Response: 20Hz-20,000Hz-Cord length:1.8m+/-3%-Plug type: 3.5mm stereo / RJJ plug Microphone specifications:-Dimensions: 6×5mm-Sensitivity: 60dB+/-3dB-Frequency Response: 20Hz-20,000Hz 

monaural headset with microphone/RJ11/RJ9 for call center telemarketing