2 Pcs Heated Insole 4-10 Inch Adjustable Temperature High Elasticity Composite Carbon Fiber Electric Heating Insoles Item Type: Heated Insole Material: Composite carbon fiber Single Insole Battery: Polymer lithium cell 1800MAH (included) Remote Control Battery: Polymer lithium cell 100MAH (included) Temperature and Time: High Level: 60-65℃, about 3 hours of use time Medium Level 50-55℃, about 5 hours of use time Low Level 35-40℃, about 7 hours of use time Size: Approx. 10-25.4cm / 4-10 inch Weight: Approx. 370.00g / 13.05oz 1. Before using, please full charge the battery. Plug the battery charger in, the charger light will turn red, indicating the battery is charging. When the battery is full charged, the charger light will turn green. 2. After the battery is full charged, press the H button on the remote control, the remote control LED will flash once, and 3 LEDs of insole will light up for 3 seconds, indicating the insole is in high gear mode. 3. Press the M button on the remote control, the remote control LED will flash once, and 2 LEDs of insole will light up for 3 seconds, indicating the insole is in medium gear mode. 4. Press the L button on the remote control, the remote control LED will flash once, and 1 LED of insole will light up for 3 seconds, indicating the insole is in low gear mode. 5. Press the switch button on the remote control, the remote control LED will flash once, the insole LED will turn off, indicating the insole has stopped working. If the remote control is lost, you can use the switch next to the charging port on the insole for control. 1. Long press the insole switch for 3 seconds to turn on, the 3 LEDs will light up for 3 seconds, indicating the insole is in high gear mode. 2. After the insole is turned on, press the switch button again, the 2 LEDs will light up for 3 seconds, indicating the insole is in medium gear mode. 3. Press the switch key again, and 1 LED on the insole will light up for 3 seconds, indicating that the insole is operating in low mode. 4. Press the switch key again, and the insole will cycle in high gear mode, repeating the cycle. 5. Press and hold the switch key on the insole for 3 seconds to turn it off, the LED will turn off, and the insole will stop working.