Feature: 1. Made of high quality velvet and cotton material, which is soft and comfortable to wear. 2. You can cut along the size line on the insole according to you feet, but it is forbidden to cut the area within the size line. 3. Large battery capacity up to 1800mAh, which can be used for a long time after charging. 4. Suitable for some activities of the winter like hunting, skiing, motorbiking, mountain climbing or walking etc. 5. Best gift for your family, relatives, elders on Christmas, Birthday, Mother's day, Valentine's day, Labor day. Specification: Item Type: Electric Heated Insoles Material: Cotton, velvetHeated Part: Front foot Heating Parameters:The high-grade can reach 50-55℃, and the service time is about 2.5-3 hours. The medium-grade can reach 45-50℃ and the service time is about 3.5-4.5 hours. The low-grade can reach 38-45℃ and the service time is about 5-6 hours. (Note: This heating temperature is tested at the ambient temperature of 10-15℃. The actual heating temperature of the product will decrease as the ambient temperature decreases.) Insole Battery: Lithium Battery (Included) Insole Battery Capacity: 1800mAhRemote Control Battery: 1 x CR2025 Button Battery (Included) Remote Control Battery Capacity: 150mAh How to use:1. Please fully charge the battery before using the product. 2. Pairing the remote control with the insoles: Press the button on the battery and any button on the remote control at the same time to see the battery indicator light, release the button on the battery, press any button on the remote control, the remote control can operate the battery, then the remote control and the battery are paired. Special emphasis: The effective distance of the radio frequency of remote control is about 200 meters when pairing, so please avoid other remote control signals when pairing within 200 meters. 3. After the battery is fully charged, press the remote control III key, the remote control LED light flashes once, the insole LED red light is on, and the insole works in high‑grade mode.4. Press the II key of the remote control, the LED light of the remote control flashes once, and the blue LED light of the insole lights up. The insole works in the mid‑grade mode.5. Press the I key of the remote control, the LED light of the remote control will flash once, and the LED light of the insole will be green. The insole will work in low‑grade mode.6. Press the round switch key on the top of the remote control, the LED light of the remote control flashes once, the LED light of the insole goes out, and the insole stops working.7. Shutdown: Without any operation after 48 hours, the battery is power off (long press the insole battery button on the remote control, battery indicator on, press the button again until the battery indicator off, the battery is power off, at this point the remote control can not operate battery, if you want to star the product, please long press battery button, the battery indicator on, at this point the remote control can operate battery. After startup, The remote control can operate the battery at any time within 48 hours. If there is no operation between the remote control and the insole after 48 hours, it is necessary to pair the remote control with reference to the second point of the operation instructions). If the remote control is accidentally lost, you can use the switch next to the insole charging port to control.1. Long press the insoles switch key for 3 seconds to start the machine. The red LED light is on, and the insoles work in high-grade mode.2. After the insoles start up, press the switch key again, the blue LED light on, and the insoles work in the mid-grade mode.3. Press the switch key again, the green LED light of the insole is on, and the insole works in the low-grade.4. Press the switch key again, the insole LED light off, and the insole stops working.. Package List: 2 x Insoles1 x USB Cable1 x Remote Control1 x Instruction Note: Insole can not soak in water, you can only brush the surface of them.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.