What is Reddit's opinion of Jomst Rechargeable Hand Warmers 5200mAh Power Bank,Reusable Hand Warmer,Double-Side Quick Heating,Portable Mobile External Battery Charger,Best Winter Gift (Black)?

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Yep. Everything is cold. I found that fingerless gloves (more like sweater sleeves, not like outdoor mittens) and leg warmers work wonders. Anything to keep the wrists and ankles warm keeps the blood flowing better to fingers and toes. Also found this handy little rechargeable hand warmer that I keep at my desk at work. Jomst Rechargeable Hand Warmers 5200mAh Power Bank,Reusable Hand Warmer,Double-Side Quick Heating,Portable Mobile External Battery Charger,Best Winter Gift https://www.amazon.com/dp/B07X22YMF5/ref=cm_sw_r_apan_glt_fabc_ZCAY7MZYF2GGC8JVZ22N?_encoding=UTF8&psc=1

Stashing it against my skin, or with only 1 layer between skin and the phone works for me most of the time, but sometimes moisture can be an issue if you start to sweat a little.

I now have a powerbank/handearmer that I carry. It'll keep your phone warm and also be useful for warming your hands and stuff.

This is the one I have, but there are many competitors to check out. Only downside is it's extra bulk to carry, but it's got a lot of pluses. https://smile.amazon.com/dp/B07X22YMF5/ref=cm_sw_r_cp_apa_fabc_G6H71J8EW68TFQQ1NBX8?_encoding=UTF8&psc=1

i bought this one. It is also a battery bank but I haven’t used that feature.