1、[Electric Heating Insole] Improve the coldness of the feet, the carbon fiber material heats up, effectively stimulates blood circulation, and helps resist cold weather. 2、[Applicable People] Can be used by students, office workers or the elderly, suitable for outdoor workers, severe winter travelers, people who are cold and afraid of cold. 3、[Wireless Remote Control] Wireless remote control, three temperature options, usb rechargeable. 4、[Can Be Freely Cut] You can freely cut the length according to the length you need. 5、[Applicability] Suitable for outdoor activities, snowball fights, skiing, frostbite, class and work, etc. 2 x Insole1 x Remote Control Item Type: Heated InsoleMaterial: Velour, PUVoltage: 5VRemote Control Battery: 27A Battery 50mAh (Included)Insole Battery: 2 Polymer Lithium Batteries Total 5200mAh (Included)Size: Approx. 29.7 x 9.5 x 2cm / 11.7 x 3.7 x 0.8inWeight: Approx. 293g / 10.3oz