USB Heated Shoe Insoles with Remote Control Feet Warm Sock Pad Mat Electrically Heating Insoles Electric Heater Shoe Inserts Bullet Points: 1、【Durable Material】The recent high-efficiency carbon fiber heater, high density, safe and environmentally friendly, builts-in safe 1900Mah polymer battery, safe by means of a metallic shell, excessive load-bearing 2、【Three-stage Adjustment】2-3 hours in high-temperature mode (53°C-60°C), three hours in medium-temperature mode (48°C-52°C) - 5 hours in low-temperature-mode (40°C-50°C) 3、【Warming Effect】The warmth preservation time varies counting on the environment, and the feet won't sweat in winter, wireless remote control for maximum operator consolation 4、【Can be Cut】This insole would be adjusted to your shoe size, ranging from 35-40 Euros and 41-46 Euros, it can be minimize to fit and the only real trimmed to suit your desires 5、【Versatile Use】The heated insole is nice for actions like hunting, skiing, motorcycling, climbing, or walking, protecting you active and retaining your ft warm and comfy Specification: Charging Cable: TP-C Voltage: three Battery capacity: Left: 2100Mah, right: 2100Mah Input: AC/100-240V, 40-60HZ Output: four Service life: greater than 500 cycles The number of codes: M code: 35-40 Euro code L code: 41-46 Euro code Packing List: 1 Pair of Insoles 1*Remote Control 1*Charging Cable 1*Instruction