Details Lifesystems Rechargeable Hand Warmer and Power Bank This rechargeable hand warmer from Lifesystems heats up at the press of a button, and can provide up to 6 hours of heat from a single charge. It also functions as a power bank, to recharge your phone or anything with a USB socket. Dual heat plates for 360 degree heat and all round comfort Compact design and easy to operate 4 heat settings Heats up in 10 seconds Provides 3-6 hours heat Power bank function for mobile setup Mains or USB rechargeable Charge time from low to full approx. 4 hours Charging LED indicators USB cable included CE certified ROSH compliant Recyclable Battery: 18650 Li-ion Battery 5200mah Output: Standard USB with 5V 2A (MAX) Input: Micro USB with 5V 2A (MAX) Do not allow the hand warmer to get extremely wet. Your hand warmer is shower and water resistant BUT not submersible. Caution – heat setting 4 is 50 degree centigrade and therefore caution should be taken if you have sensitive skin or are elderly. Charge the Hand Warmer every 3 months to maintain optimum battery condition. Operating the hand warmer Turn on and off by pressing and holding the ON/OFF button for 5 seconds The hand warmer will heat up in less than ten seconds Push the ON/OFF button again to go to a higher heat setting or reduce the heat by continuing to press the ON/OFF button 1 light, heating temperature 42+/-2 degree 2 light, heating temperature 45+/-2 degree 3 light, heating temperature 48+/-2 degree 4 light, heating temperature 50+/-2 degree Specifications Rechargeable Hand Warmer and Power Bank