... simple operation; 2. Energy saving 3. Fast boiling Car Heating Cup through 12V & 24V car adapterFeatures * Fast boiling: Boil the water ... : Black, red, blue, yellow, white. etc * Boiling Water: A warm cup of water give you a pleasant winter life during the ... 12V-24V * Power: 75W * Capacity: 350ml New Design Car Heating electric cup