电信VOIP 抗噪音耳机话务中心耳机for 松下三星电话机

'monaural call center headset
stylish call center headset hsm-69:
flexible high quality mic boom, noise canceling microphone to reduce background noiseacoustic shock protection circuitlightweight, durable and comfortable for all day usehearing on one side and microphone can be worn on either earadjustable headbandreplaceable soft foam or soft leatherette ear padquick disconnect cord (optional)for the convenience of walking away without removing the headset plantronics or gn netcom compactible quick disconnect   professional volume control and mute function(optional)
driver unit                        1x30mm
frequency response    20-20khz
impedance                        150  ohm
sensitivity                         125db
max input power              10mw
plug                                rj11
cord length                   1.8mm coiled cable
monaural call center headset
stylish call center headset hsm-69rj:
flexible high quality mic boom, noise canceling microphone to reduce background noiseacoustic shock protection circuitlightweight, durable and comfortable for all day usehearing on one side and microphone can be worn on either earadjustable headbandreplaceable soft foam or soft leatherette ear padquick disconnect cord (optional)for the convenience of walking away without removing the headset plantronics or gn netcom compactible quick disconnect   professional volume control and mute function(optional)
driver unit                        1x30mm
frequency response    20-20khz
impedance                        150  ohm
sensitivity                         125db
max input power              10mw
plug                                rj11
cord length                   1.8mm coiled cable
'

comfortcomms Electronics.co,.ltd
叶成帖
18948795650
深圳市福田区鲁班大厦一区30楼30WS