Qi2 Charging Mug Warmer 2, Keeps Drinks Warm, App Control, Wireless Charger, New, Unused The MugWarmer II, using a ceramic heater, keeps drinks at 40-70°C while also featuring wireless charging. - Model Name: MugWarmer II - Color: Black - Function: Wireless charging - Temperature Range: Approximately 40-70°C - Material: Ceramic heater ********************************************************************************* Excerpt from the CIO official website: This is a set product with a dedicated mug with a built-in heater and a base that enables wireless power supply. When you want to keep your drink warm, you can use it as a mug warmer*. When you want to charge your smartphone (iPhone, Galaxy, Xperia, and other Android smartphones) or earphones, you can also wirelessly charge at up to 15W as a Qi2 standard wireless charger. It automatically switches between a mug warmer when you place the dedicated mug and a wireless charger when you place a smartphone or earphones. It will be a great help all year round. *Functions as a mug warmer only with the included dedicated mug with a built-in ceramic heater. You cannot use your own mugs, paper cups, or plastic bottles. Thank you for viewing.