hand warmer in the winter? hope it can do multiple jobs at the same time? Then take at our product. It is a hand warmer made of . It is warm, comfortable and convenient. It is the for . Features -Color:Light Grey -Material:Flannelette,graphene - Size: 26.00X15.50X4.00cm/10.22X6.09X1.57in - Size: 29.00X18.50X2.00cm/11.40X7.27X0.79in -Power supply: USB cable (included) -Note: Style - This hand warmer is made of reliable and stable material, which can quickly generate heat and maintain the temperature. - Perfect for cold winters, everyday use, and when relaxing on the sofa, bed, or desk. - The hand warmer is small in size and very portable, you can take it wherever you need to use it. - Perfect hand warmers for commuters or office workers during the cold winter months. A great present for a girlfriend, daughter, sister, mother or grandmother on a cold winter's day. - The material allows it to retain the temperature and deliver warmth to you continuously. Package list: 1 x hand warmer 1 x USB cable