USB coffee pad

Keep your hot beverage stay longer with this cool gadget (coffee mugs, coffee cups...).
USb beverage heater features:
• Keep warm for any hot drink.
• Temperature range : 40°C ~ 80°C (From boarder to center)
• USB powered : 5V/500mA
• On/Off power switch, LED indicator.
• Material : ABS shell, Stainless steel heating pad.
• Size: 120 x 120 x 12mm
• Heating pad diameter: 78mm
• Cable length: 96cm
• Weight: 130gm