Ideal for busy professional, students, and travelers seekings a practical solution to maintain drinkware hygienes in space limited environment Perfectly fit dorm room, break area, offering easily cup washing without occupying countertop space Engineered with ABS construction and cup holder, it prevents scratches while using low voltages cleaning technology clean cups anywheres with this USB powered portable dishwasher, features easy operations without complex installation or water hookups for convenience Simplifing your routine—press to start thorough cleaning for teacups, mugs using water saving methods