Better than the pictures and more useful than described. This little gadget is way more than a simple hand warmer. The uses are endless. Just use your imagination. It's a replacement for messy gels like icy hot or can be used for hot rock therapy pain relief by simulating a heated rock. I could go on and on. I have 3 herniated disks in my lower back and when the pain becomes unbearable I simply place the warmer on high power and then use my back support belt as a way to keep the little warmer in place, directly over the area in pain and I get instant relief, rather than trying to smear that messy horrible smelling icy hot gel on the area in pain, which is usually located in my lower back region and the hardest place to try to reach without asking someone else for help. I also place it under my body in bed and move it around until I get it positioned under the area in pain and the heat helps reduce the pain so I can fall asleep and since I have owned one of these useful gadgets I have been able to get a full 8 hour night of sleep which was impossible before I had one because I was in so much pain that IF I could even fall asleep, I would constantly be woken up all night from the pain. So if the manufacturers of these hand warmers were to change the title and description of this product and added a list of potential uses, I believe that their sales would easily triple in a matter of months because everyone is looking for a alternative solution to pain relief.