Overview: Want to say goodbye to the cold and enjoy all winter outdoor activities freely? Our battery-powered heated insole is a good choice for you! Built-in 3000mAh battery in each insole, can keep your feet sole warm about 4.5 hours in high temperature, 5 hours in medium temperature and 10 hours in low temperature. Come with 2-in-1 type cable, you can charge your two insoles at the same time about 4 hours for fully charged. Designed with clear size trim line on the sole bottom, easy trim the insole to fit your feet well. Suitable for outdoor sports like hunting, hiking, camping, etc.. Features: Soft & Warm: Made of PU foam and advanced heating elements, the heated insole is soft and can generate even heat to keep the soles of your feet warm. Ideal for keeping warm during all winter outdoor activities. 3 Heating Modes:Just long press the button on the insole to turn it on, then short press the button on the insole or long press H/M/L on the controller to choose the heating mode you want.(High 131 Red Light) -(Medium 122 Red+Green Light) -(Low 104 Green Light) Warm Your Feet A Long Time:Built-in 3000mAh battery in each insole, it can warm your feet about 4.5 hours in high temperature, 5 hours in medium temperature and 10 hours in low temperature. Come with 2-in-1 type cable, you can charge your both insoles at the same time about 4 hours for fully charged. Trimmable & Wide Application:Clear size trimming line is marked on the sole bottom, you can easily trim the insole to fit your feet well. Suitable for outdoor sports, housework, hunting, hiking, camping, fishing etc. Thoughtful Winter Gift: Looking for a winter gift for your friends or families? This heated insole is a unique and considerate gift for your best friend, father, older brother, woman, wife, colleague, sister or mother. Warm them in this cold winter and allow them to enjoy all outdoor activities without cold! Friendly Note: The electric heated insole can only be hand washed. The battery part cannot be cleaned and washed. Only the front half of the insole can be cleaned. Operation: Long press the button on the insole to turn it on, and the indicator will slowly flash red. It is in standby status. Operation on the insole: When in standby status (flashing red light), short press the button to switch to high temperature mode (static red light), press again to switch to medium temperature mode (static red/green light), then press again to switch to low temperature mode (static green light). Press again to switch to standby mode (flashing red light). Long press the button to turn off the insole. Operation on the remote control: When in standby status (flashing red light), long press H/M/L button about 3s on the controller to switch to mode status. Then just short press the corresponding mode button (H/M/L) on the controller to switch to other temperature mode. Press the ON/OFF button to switch to standby status. Specifications: Product Type: Electric Heated Insoles Color: Black Material: PU Foam Battery: 1pc 2100mAh/3000mAh Lithium Polymer battery per insole Heating Settings: High Temp: 55/131; Medium Temp: 50/122; Low Temp: 40/104 Charging Time: 4Hrs Working Time: High Temp100%: 4.5Hrs; Medium Temp75%: 5Hrs; Low Temp40%: 10Hrs Charging Port: 5V/2A Charging Current: 800mAh; 11.55W Discharge Voltage: High: 4.35V/660mAh; Medium/Low: 3.85V/618mAh Working voltage: 3.85V/4.35V Heating pad: 10x6cm/3.94x2.36in Load resistance: 6 USB charging cable length: 50cm/19.7in Fit for shoe size: S: US 4-7 (35-40CN size); L: US 8.5-12 (41-46 CN size) Option A: Cuttable heating insole (2100mAh) + remote control Option B: Cuttable heating insole (3000mAh) + App intelligent temperature control (no remote control) Package content: 1Pair x Heated insoles 1 x USB charging cable 1 x User manual