ELECOM wired headset, perfect for web conferences and online learning, with improved fit and sound isolation. - Brand: ELECOM - Type: Wired headset - Plug type: 3.5mm 4-pole mini-plug (Includes a conversion cable to 3-pole mini-plug x 2) - Usage: Web conferences, online learning - Features: Improved fit and sound isolation Thank you for viewing. I purchased this for telework, but I've only used it a few times. Please understand that this is a used item before purchasing.