This USB heated warm gloves is perfect for you to keep your hands warm as you are playing computer in the cold winter days. It is energy conservation and security for it is powered by the USB port. The USB heated warm gloves is the best companion for you in the winter. - High security energy conservation and security - Two heating pads in each glove - Gloves can you be used fingerless or closed for complete warmth - Warm the hands in the cold environment - Gloves made from wool for complete comfort - Operating voltage: DC 5V - USB cable included (150cm-cable)