55 degree constant temperature cup coffee warm cup office USB heating Cup mat Product description 55 constant temperature cup, no cup type, continuous constant temperature, no space, warm heart and stomach, know better about healing life, know the warmth you need, and a warm cup mat that can warm your stomach, Only when there is temperature can you understand life. It is warm all day. Features: constant temperature and insulation, no cup type, silent work, t-ouch panel, flat cup bottom and no space Keep warm all day, heat evenly and adjust the temperature to set the temperature you want; Taking about 55 C as the equilibrium point, there are certain differences in temperature according to the external weather temperature, cup material thickness, cup water capacity, whether with cover or not. The data is ring Measured by e laboratory, subject to the actual situation. Versatile, no cup selection, meet all small preferences, intelligent package thermostatic pad, suitable for all kinds of flat bottomed devices; Stainless steel cups, glasses, cans, milk bottles, ceramic cups, boxed milk; It is recommended to use a flat bottom non double-layer cup to avoid affecting the effect Colorful, you have a variety of choices 55 C constant temperature health cup can take better care of your warmth; Note: the main performance of this product is heat preservation, not heating. It is better to place hot drinks Just slap the size of space, warmth, never leave the hand, small size, does not occupy too much space on the desktop Flat frosted cup bottom and flat ceramic cup bottom fit more evenly Cup mat size: 16x12x2cm Product includes: a Cup mat