Cordless mobile milk warmer with a large capacity battery. Purchased in June 2025 from the LARUTAN online shop on Rakuten Ichiba. Used only once and then stored. Retail price: 6,980 yen Operation confirmed. No noticeable stains. The box has been disposed of, so the set includes the main unit and the USB cable. Thank you. - Brand: LARUTAN - Type: Mobile milk warmer - Function: Cordless - Features: Large capacity battery type - Awards: Ranked #1 on Rakuten, won 15 awards