Features: 155C Constant Temperature: 55C constant temperature, constant temperature coaster, maintain the best temperature, low power, safe and energy saving, only 0.3 kWh of electricity per day. 2ABS and Aluminum Alloy: The cup heating base is made of sturdy ABS and aluminum alloy material, which is wear resistant and durable, and can be used for a long time. 3Easy to Use: The Tea warmer just plugs into the coffee warmer, turns it on and puts the cup on top, easy to operate. 4Scope of Application: Coffee heating plate, keep your coffee warm all day long. Perfect for hot coffee, tea, hot cocoa, milk or even a hot cup of soup! 5Applicable Scenarios: This lightweight beverage warmer can be used as a mug warmer for a desk, nightstand, kitchen or side table in the living room. Specification: Item Type: Coffee Mug Warmer Material: ABS, Aluminum Alloy Weight: Approx. 146g / 5.2oz Size: Approx. 11.5 x 11.5 x 2cm / 4.5 x 4.5 x 0.8in Rated Voltage: DC5V Rated Power: 10W Power Supply Interface: USB Diameter of Constant Temperature Plate: Approx. 6.5cm / 2.6in Constant Temperature: 55 Power Consumption: 0.3 per day Package List: 1 x Coffee Mug Warmer 1 x User Manual Note: The heating pad does not contain a mug, try to choose a mug with a flat bottom for more even heating.