■ Product Name iFi GO blu Portable Headphone Amplifier ■ Purchase Location Purchased on May 3, 2022, at Yodobashi Camera Shinjuku West Exit store. Purchase price: 29,700 yen. ■ Condition Operation confirmed. Used for 1-2 months after purchase, and then kept on a desk. There are no noticeable scratches or stains. However, the black part of the main unit is slightly sticky (possible aging or humidity). ■ Included Accessories Box, pouch, warranty card, stickers, manual, and purchase receipt.