OCOOPA Hand Warmers Rechargeable, Smart Temp Control 7H*2 Long Safe Heat, Ultra Slim, Pocket-Size Design That Fits Gloves, Gifts for Women, Outdoor, Office, Commute (UT5 Nano) by OCOOPA

The color combination of white trim with soft prints makes this hand warmer feel cheerful rather than industrial. It is small enough for my coat pocket yet has a pleasant weight that feels solid. The smooth edges and rounded shape make it easy to hold for my daughter or me. On frosty mornings I switch it on before we head to the bus stop and within a few seconds the heat spreads through the center. It warms my fingers quickly while the edges stay just warm enough. Sometimes, when sitting at my desk, I slide it under my palm between typing breaks, and during soccer practice I tuck it into my gloves to keep my hands nimble. The loop strap is the right length to slip over a finger, so I do not drop it while juggling snacks and water bottles.

The rechargeable battery has lasted several school runs and errands at medium heat, but at the highest level it does not quite reach the seven hours advertised. Charging overnight is simple and the indicator light makes it clear when it is ready. The heat is balanced but can cool down a bit faster if the air is very cold.

works well

I tried these small square rechargeable hand warmers for the first time after years of using the oval kind. The square shape actually feels easier to hold in my palm and makes my fingers curl around it naturally. Function wise, they heat up quickly, which has been helpful on early morning school runs when my hands are freezing. The temperature settings are simple to switch, and I can literally toss them into my coat pocket or keep one in my office drawer. On a typical day I use each warmer for about 10–20 minutes at a time and only need to charge them about once every week or two, so the battery life has been decent for me. My daughter even borrowed one while waiting for the bus and said it kept her hands warm enough. That said, the surface can feel a little too warm on the highest setting for me. Overall it’s a handy option for commuting or keeping by the desk.

The Ocoopa small square warmers are fantastic. I used them for the second half of a Varsity football game and they did the job for a brisk 55° evening. The loop fits perfectly around my finger and they slip right into the top of my fingerless gloves. They are very lightweight and I keep a pair in my purse, now that it’s cooler. These are not as comfortable in your palm as the rounded ones for longer use, but they’re great for a walk, coffee date, or unexpectedly cold event.
I own multiple styles of these warmers and my favorite are the oval magnetic ones. They lasted a full extended fall sports season, through a full cold spring track season, and now are back in rotation for fall sports again. I hope these new little ones will be the perfect addition to help my hands not cramp or hurt when they get too cold. The way they are designed allows me to carry them with no bulk or compromise of space. I am so glad I got them. I have now purchased a second pair for my daughter to use on the cheer line.

Smaller than I thought but that actually makes them better, they fit in my handbag which is small, I can have one in each handbag so I dont have to think about swapping everything over.
They heat up quickly and personally I think level 1 is hot enough and they last longer on level one… really pleased I bought them.