The Thaw 10,000 mAh batteryequipped multifunction device can save the day when your fingers start to freeze, or when darkness or a need for power strikes. - Heating elements on both sides: when you hold the warmer between your hands, both palms receive heat - Three heat settings: 45°C, 50°C, and 60°C, with a memory function that turns the heater back on to the last-used setting - Battery life on these settings: 14.5 h, 11 h, and 8 h - Small led light - IPX4-rated: rain-resistant - Battery level indicator light - Includes USB charging cable and wrist strap All functions draw from the same battery, so if you use the power bank to charge your phone, there will be correspondingly less capacity available for heating, and vice versa.