USB Heater/USB Coffee Warmer

Keep coffee/tea/drink warm at 70-75º C;
Easy installation no driver required, plug & play;
Power Supply: 5V DC;
With on/off switch;
With temperature adjustment turner;
Quality insulation material around the metal hot plate Prevents burning;
USB powered, no batteries needed;
Product Size: 150*130*48mm
Material: ABS, AS, PS, Aluminium Alloy;
Various colors are available(Blue, Red, Orange, Green).