Lukewarm heat at best
These gloves are about as warm as keeping your hands in your pockets.  They heat up really good indoors but outside it is really the thickness of the gloves that keep the hands warm not the heating system.  The gloves are too thick and stiff to be able to manipulate a cellphone.  The cables are too short for a tall person and are thick (about the diameter of a drinking straw) and made of a very rigid plastic coating.  Making them fairly inflexible.
Rating: 1 stars