Product Description Specifications Mug heating device with USB connection and metal surface, especially designed to maintain heat. Elegantly designed in grey and for mugs up to 7.4cm in diameter, including a switch on the backside and with status lights. Presented in an individual box. Features: Mug heating device with USB connection and metal surface Specially designed to maintain heat For mugs up to 7.4cm in diameter Includes a switch on the backside and with status lights Presented in an individual box Decoration Position: Front section of body Print Size: 2.5 x 0.7 cm Product Materials: MetalPlastic Material: Synthetic