No Japanese instructions. Operation not confirmed. Cup Warmer: This coffee warmer can be applied to any material of cup, such as ceramic cups, glasses, stainless steel cups, aluminum cups, milk cartons, baby bottles, and cans. Mug Warmer: This coffee warmer is an excellent gift for lovers, wives, husbands, parents, grandparents, and all relatives, so they can feel warm in the cold winter. Lightweight and compact size, easy to carry and store. Cup Heating Mat: Intelligent touch panel, 3-gear adjustable temperature, touch for constant temperature, keep warm all day long. Electric Cup Warmer: Applicable to all kinds of drinks, such as tea, coffee, milk, cocoa, cola, and other beverages. I received this as a gift. I have many other items for sale too ☺︎ ▶▷▶ #rin’s shop Same product available ☘️ ▶▷▶ #rin’s bulk purchase ----------------------------- ✔ Immediate purchase without comment is welcome✩*⋆ ✔ Midnight/early morning silent purchase OK! ✔ Bundle discount, repeat customer discount, follow discount, feel free to comment ♡‪ ̖́- ✔ All items are free shipping ◎ Since this is a personal inspection, there may be errors in the description. The actual product images are correct (*ᵕ ᵕ)⁾⁾ Anonymous shipping is not available. ----------------------------- Cup warmer for homepink, mug warmer, usb automatic constant temperature coffee mug warmer cup warm heating mat pad hot winter pink 71103230 18/8