Studyset Office/Home Use USB Charging Heat Preservation Desk Disc Cup Pad Holder for Keeping Water Warm in Winter

-- Adopting high quality stainless steel material, with strong strength, not easy to rust, deformation.
-- The heating pad and the surface is designed to be convex, so that more cups can be applied.
-- With independent control switch and USB charging, it is more convenient to use.
-- The maximum temperature of stainless steel reaches 40