Thermo-reactive mug thermo-changing mug recharged battery

Here is a ceramic mug that will prove to others that breakfast is the most important. It's a thermo-reactive mug with a recharged battery pattern! Every time you pour a hot drink the battery will be full!* Matter : ceramic, thermo-reactive pigments * Capacity : 30cL Functions : heat changing mug Contents : 1 hot-cold cup battery charged* Material : ceramic, thermo-reactive pigments * Capacity : 30cL Functions : heat changing mug Contents : 1 hot-cold cup recharged battery