1 Pair USB Heated Insoles Winter Feet Warm Shoe Insole Mat Comfortable Sports Shoes Outdoor Heating InsolesFeature: It can be cut according to the size of your shoes, can be quickly washed and heated, and is safe and reliable to use. It can also be used as a regular insole. The surface of the insole is soft and fluffy. It feels very comfortable. Specification:Material: EVA Polyester, Carbon Fiber HeatingSize: 35-40(S), 41-45(L)Power Supply: USB SocketTips:1. The default power of the electric cushion is 5V2A. If the charger and the power bank used do not reach 2A, it may lead to a lack of heating (the charger does not work due to the protection circuit);2. When not in use, please disconnect the power supply to avoid heating for a long time and damage to the heating plate;3. The elderly and children must use it under supervision;4. It is forbidden to wear a warm electric insert for intense exercise to protect the heating system;5. This product has passed EU CE certification, please feel free to use it! Note:1. Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Thank you!2. Please allow 1-3cm measurement deviation due to manual measurement.1 Pair x Heated Earbuds1 x USB Charging Cable