This is a Logitech headset. I purchased it for remote work, but I'm selling it because the size doesn't fit me. It's been used infrequently and is in good condition. The box, inner bag, instruction manual, dongle, and all the cords are included. It can be used wirelessly, and the foldable microphone is convenient. It's sold on Amazon for ¥16,900. ▼Included: ・Dedicated USB charging cable (2m) ・Wireless USB adapter ▼Specs: ・Dolby 7.1ch ・Noise canceling ・15 hours of continuous use