Material : Eva foam Origin : Mainland China Function 1 : heating insoles for shoes Function 2 : heating insoles Function 3 : self heating insoles patches Function 4 : floor heating thermostat Function 5 : electric heating insoles Function 6 : usb heating insoles Function 7 : Heating insoles for feet Function 8 : heating insoles for shoes men Function 9 : self heating thermal insoles Function 10 : underfloor heating thermostat Function 11 : arch support insoles heating Function 12 : Outdoor Sports Heating Insoles Unisex Bullet Points: 1Environmentally Friendly Materials: Safe and environmentally friendly materials, the latest high-efficiency carbon fiber heater. High density, built-in safe 1900mAh lithium polymer battery. The circuit and battery are protected by a steel casing, high load-bearing capacity. 2Temperature Adjustment: High temperature mode 2-3.5 hours (53-60), medium temperature mode 3.5-5.5 hours (48-52)-low temperature mode 5.5-9 hours (40-50) (depending on environmental conditions) Depends). 3Simple to Use: Wireless remote control, maximize comfort. 44.Can be Cut: Can be cut into suitable size, can adjust according to your shoe size and trim the sole to meet your needs, ranging from 35-40 Euro size, and 41-46 Euro size. 5Keep Feet Warm: Solve foot discomfort in cold weather. Keep you alive in certain winter activities (such as hunting, skiing, motorcycles, mountaineering or walking, etc.), simple and easy to use. Heated Insole with Remote Control Foot Warmer for Hunting Specification: Charging Cable: TP-C Voltage:3.0V-4.2V Batterycapacity:Left:2100Mah,right:2100Mah Input:AC/100-240V,40-60HZ Output:4.2V-5V Servicelife:morethan500cycles Numberofcodes: Mcode:35-40Eurocode Lcode:41-46Eurocode PackingList: 1PairofInsoles 1*RemoteControl 1*ChargingCable 1*Instruction When shopping, please pay attention to the size and dimensions of the product to ensure that it meets your needs. In the title and , we have provided detailed information about the product, including its features and specifications We want you to be completely satisfied with your purchase, so if you have any questions or concerns, please dont hesitate to contact us. We are here to help and will do our best to assist you. Thank you for choosing our product. We hope you enjoy it!