Microsoft LifeChat LX-6000 f/Business |  Wired |  USB |  supraaural |  closed |  75 - 20000 Hz |  50 - 20000 Hz LifeChat LX-6000 for Business |  111 dB |  75 Hz – 20 kHz |  32 Ohms |  2 x 10 mW |  141.6 g |  Black New

Microsoft LifeChat LX-3000 |  Wired |  USB |  1.981 m |  supraaural |  0.236 kg |  Intel Pentium III 550 MHz LifeChat LX-3000 |  USB |  Win New

Microsoft Lifechat Lx-3000 Microphone/Headset New

Microsoft Modern Usb-C Headset For Business New

Microsoft Modern Usb-C Speaker For Bus New