This is for aMicrosoft Lifechat LX-4000 for Business USB Headset Model 1475. It is used, but in good condition (see photos). Payment must be received within 3 days after the end of the sale. I will email the winner of the sale with details, and I do combine on shipping. Please serious buyers only. If you have any questions, please email me. Thanks for looking and be sure to check out my other sales!