Amazon has Black Hand Warmers Rechargeable, Electric Hand Warmer with Portable Pouch, High-Capacity, Magnetic, 3 Heat Levels up to 140ยฐF, Ideal Gift for Family or Friend, for Camping Golf Skiing Outdoor Fishing for $7.99 after code:
HF6T9JVB, FS for Prime.
https://www.amazon.com/dp/B0H8NV88X7 About this item
ใ2-in-1 Rechargeable Hand WarmersใThis set comes with 2 symmetrical hand warmers. Snap them together to form a palm-sized heater for 360ยฐ all-around hand warmth. You can also use them separately: hold one in each hand, or share one with your family. Pocket-sized & portable, perfect for travel, hunting, golf, hiking, camping, skiing and more outdoor activities.
ใBuilt-in AI Temperature Sensor ChipใZdkll hand warmers adopt an integrated AI smart temperature control chip. It constantly detects the temperature between the warmer and your hands to automatically adjust heat output, delivering stable, comfortable and safe warmth.
ใUp to 6H Heating TimeใEach warmer has a built-in 3000mAh battery, bringing a combined 6000mAh large capacity. It provides up to 6 hours of lasting warmth in cold winter. Great for night use, outdoor work, winter walking and hunting. Especially suitable for people with cold-sensitive hands, such as Raynaud's syndrome sufferers.
ใDigital Display&Dual-head USB CableใClear digital screen shows real-time battery level and heating status at a glance. The included dual-head USB charging cable powers both warmers simultaneously to cut down total charging time.(Tip: Fully charge the unit before first use.)
ใPortable Carry Pouch IncludedใThis matching pouch offers easy storage and convenient portability for your hand warmer, keep it neatly packed when not in use and ready to take anywhere.
ใPerfect Winter Gift for Family, Friends & Loved OnesใA thoughtful winter gift choice for Thanksgiving, Christmas, New Year, birthdays and Valentine's Day. It keeps hands cozy all day whether you are working in the office, studying in class, camping, hunting or doing other outdoor activities in cold weather.