Thank you for viewing! Wired over-ear headset made by ELECOM - Brand: ELECOM - Type: Wired headset - Microphone: Boom microphone - Connection terminal: φ3.5mm 4-pole mini-plug - Design: Over-ear ① Microphone with wind screen ② Flexible microphone arm (You can adjust the microphone to the optimal position by freely moving the arm) ③ Microphone joint (Can be rotated to a convenient position) ④ Headband ⑤ Volume controller (Volume can be adjusted at hand) ⑥ 4-pole 3.5mm mini-plug (Connects to the φ3.5mm 4-pole mini-jack of smartphones/tablets/notebook PCs) I purchased this for work, but it has been stored unused. It will be shipped after being taken out of the package.