This listing is for Microsoft LifeChat LX-3000 Noise Cancelling Stereo Headphones Model 1084. There are multiple units available for purchase. All available units are new, open box, and appear to have never been used. Boxes might have some signs of wear. All photos are of the item(s) that you will receive. We do not provide tech support for these items. If you have any questions, feel free to contact me. 1512AK, 1513AK, & 1514AK IT242 & H1F 9/19/2023 BH