USB warmer coffee heater for promotion

coffee cupheater, usb drink warmer,usb mug warmer Neoprene coffee warmer is our newest product in China Features .Raise the temperature of drink of Room temperature 10-12,the drink temperature will be raised to 38-40 less than an hour .Double heat preservation;neoprene material layer and heating element made of terry fabric .Made of the high quality neoprene material which can fit for different size of the cup based on its springy character. .Can keep the heating in a long time based on its character for blocking the heat goes to outside .Power by USB .Adding the carbon fibre as the strong heating element,can release the heating at the short time and keep the stable temperature when product connect with computer .Always keep the temperature of drink not low than 42 Celsius,the drink will not be cool .Can provide the different models and colors as the requirements and do OEM .Can provide the different models based on different voltage,5V,12V,24v .Can print the LOGO from customers USB warmer for promotion