☂【Human Engineering】According to the shape of the person's palms grip design, When your hands holding this Hand warmer is feeling very comfortable/ample.Handwarmer can be filled with your palm/360 °.The cells in every corner of your palm can immediately feel the temperature at which the temperature rises.Heating efficiency is greatly improved.
☂【Small / lightly】This Hand warmer is 146g and Small.You take it to ski and play /hockey, it is difficult to feel it in the pocket/pants pocket.
☂【Charging Fast】Charing Time for Power Bank is 3.5H.Working hours are 3.5~7H.(Measured at 27 ° C ambient) .Low level 37-42°C/ 98.6-107.6℉ ,Middle level 43-48°C/ 109.4-118.4℉ ,High level 49-54°C/ 120.2-129.2℉.
☂【Intelligent temperature control】：red light flash when the inner battery temperature is higher than 45℃，charging for power bank is not allowed, Protect the battery.
❤【Care for Raynaud's syndrome】People with Raynaud's syndrome are very painful in the winter.We are committed to reducing the sales price of patients with Renault syndrome by 5%.We hope you will spend a warm winter.(Please contact HandFan service)
Reusable hand warmers Rechargeable Electric hand warmer Portable hand warmer Small hand warmers +5200mAh 2.1A USB Power Bank Battery+LED Flashlight - B076CLQXHJ