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'