USB-powered mug warmer. The ideal way to always have hot coffee/tea during long work at the desk. Specifications: power: 10W dimensions (depth/mjr./high.): 13.2x11.8x2cm power supply: USB 5V 2A length. power cable: approx. 115 cm material: ABS + PC + silicone + glass 3 temperature levels. heating: 70°CC, 90 degrees.C, 110 degrees.C alarm reminding you to drink water - once activated, the device will remind you every hour with an audible alarm to drink water. Protection against accidental activation - the heating element will only start after detecting pressure on the heating plate.