Features: Double-Sided Heating 3 Heating Modes Heats up to 140degF (60degC) Provides Up To 7 Hours of Heat Temperature Memory Recall Integrated LED Light 5000mAh Power Bank Port Covers (IPX4 Rating) Battery Charging Indicator Heating Details: Double-Sided Heating: Both sides of the hand warmer heat up simultaneously to ensure your entire hand feels the warmth. 3 Heating Modes: High: Up to 140degF (60degC) - 3.5 Hours of Run Time Medium: Up to 122degF (50degC) - 5 Hours of Run Time Low: Up to 113degF (45degC) - 7 Hours of Run Time With three adjustable heat settings and a maximum runtime of 7 hours, you can customize your comfort and stay warm without interruption.