Nanoheat&reg; Cup Warmer An innovative cup warming device ; Never let your hot drink cold anymore! (EU Adaptor) Available in Green color Energy saving Ultra low electrical resistance, able to be driven by DC power Choose the heat level using the Push-In-Side Button Temperature can be up to 120 degree C This NanoHeat Cup Warmer keeps drinks and food warm at up to 50-60C and can be used on cups of various materials or for re-heating food ranging from egg tarts, porridge, buns, etc.