This is the summary of consumer reviews for OCOOPA Rechargeable Hand Warmers, 10000mAH. The BoolPool rating for this product is Excellent, with 4.60 stars, and the price range is $26 - $29.

The OCOOPA Rechargeable Hand Warmer is a handheld, compact warmer that has three heat settings to keep the hands and body warm through the day. These hand warmers are perfect for holding while outside in the colder months or leaving in pockets to keep the body temperature up. On high heat, the warmer will hold for 8 hours, and on low heat will stay charged for up to 15 hours. This fast charging warmer can charge up fully in minutes and fits well in any size hand, thanks to an ergonomically designed shape.

Customers say this hand warmer is safe to use and the heat levels are comfortable. They say they never feel that the hottest level is too hot or dangerous. Plus, they love that it doubles as a power bank to charge up devices.

Some say the device charges up slowly because of the USB-C charger. Others, however, say it charges up like any normal device.