Ocoopa Hand Warmers 2 Pack, 10000mAh Magnetic Electric Hand Warmers Rechargeable, 16 Hrs Warmth 4 Levels Heat up to 136?, Tech Gifts for Men Women

Have not tried these in the cold yet, but between hunting and ice fishing, they will get a lot of use. Fully charged them on arrival and when turned on, they get warm quickly. Appears to be a good value for the cost.

Bought these for cold weather camping. They worked great!!! Kept them in our sleeping bag at night to keep our feet warm and used them during the evening to keep our hands warm. This is an outstanding product!!! They held a charge for two days on medium heat. Not being used continuously, but were used most the day. These will also charge your phone battery using USB -C and -A.

purchased for granddaughter for her outdoor activities and sport events. So far she loves them. Puts out a lot of heat and adjustable warmth.

actually gets prety hot and heats fast, taught i wolud need to always use higher settings, but turns out i dont. 4th setting actuality gets to hot even least indoors tho takes a bit before its to hot. only complaint is it arived over a weak late, but the products grate.

We just received these so I cannot speak to the longevity of them yet, but they do what they say - they warm up quickly and they get pretty warm. My hands are constantly chilled so these are great for warming them (and me) up and as a bonus they can charge my phone.

They get really warm very fast. Need to keep them charged. Great how they separate to put into each pocket. I have not tried using them as a battery back up for my phone yet, but assume they would do that easily.

I charged them overnight to use the next morning. We had a few mornings the temps were single digits. I used these with my gloves the start my car. The good thing about these are, They are reusable. No waste. Came with a little bag. Easy to keep everything together. The bad thing about these, They sent 1 USB-C cord for both. Not all generic chords will work. You also don't get as much heat time as they say you do. You need to charge these after every use or every other use. I recommend charging these overnight.

Nothing against this manufacturer, but these (as a general product) dont' seem to get hot enough to be useful. Nice quality construction though.

It has a very misleading title. Here is what the title says: "16 Hrs Warmth" I bought it thinking I am getting 16 hours of warmth, and I am not. You can't warm both hands at the same time for that. Each one stays on for 8 hours in a ideal not so cold environment. My usage experience has been: choose which hand to warm, and if it is freezing cold, I should get between 6-7 hours of usage, and then warm the other one. If I happen to want to warm both hands at the same time, then i get less than half of marketed time, so I need to bring two pairs for a camping night. To be fair, product itself is pretty good quality, feels solid, and the magnetic feature works when putting them together.

These gave such great heat when they were charged! But, the charging cord it came with does not work with the average charging block, and it only comes with the charging cord. So once they ran out of their initial battery, we could not use them.