This is the summary of consumer reviews for Dnaleao 2 Pack 4000mAh Electric Portable Pocket Heater, hand warmer. The BoolPool rating for this product is Excellent, with 4.80 stars, and the price range is $22 - $27.

The  Dnaleao 2 Pack 4000mAh Electric Portable Pocket Heater is a pack of two double sided hand warmers that heat up quickly and stay warm for hours in the cold winter months. These small heaters can be slipped into small areas like pockets or gloves to provide three settings of heat over time. A single charge can hold up to 12 hours of heat, and these chargers have been tested to ensure safe operating through the entire time. They individually heat up to 130 degrees F and can be used connected together or separately for two hands or two people.

Customers say these hand warmers are intuitively designed, heat up quickly, and work for a very long time. They say this is the perfect gift for someone who works outside, spends a lot of time outside in the cold, or does outdoor winter activities. They say they also like how the two units charge at the same time.

Some say the battery life is not as long as advertised, especially when being used on the highest heat setting.