Amazon - 2 Pack Magnetic Electric Hand Warmer, 3 Heat Levels up to 140°F, Ideal Gift for Family or Friend

【2-in-1 Rechargeable Hand Warmers】This set comes with 2 symmetrical hand warmers. Snap them together to form a palm-sized heater for 360° 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.
【Built-in AI Temperature Sensor Chip】Zdkll 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.
【Up to 6H Heating Time】Each 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.
【Digital Display&Dual-head USB Cable】Clear 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.)
【Perfect Winter Gift for Family, Friends & Loved Ones】A 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.