1 Pair 5V Winter Outdoor Thermal Hand Warmer Heater for Shoes Gloves Carbon Fiber USB Gloves Heated Pads Electric Heating Film ElementFeature:The wires are divided into DC3.5*1.35 plug-in wires and magnetic head wires.1 to 2: One power supply (power bank) supplies two gloves heating pads1 to 1: Two power sources (power bank) are required for power supply.5V 5 finger hand type electric heating sheet. The cloth surface is soft and bendable. Specification:Material: Carbon fiberOperating voltage: 5V-7.4VApproximate size of heating film: 18x18cm/7.09x7.09inUSB cable length: Short line 0.2m/0.65ft, long line 1.5m/4.92ftWeight: 0.035kgNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 2 X Heating Films