Keep your hands warm and toasty at all times and never let your phone or other mobile device run out of battery. With wrap-around aluminum casing, EnergyFlux will provide even heat throughout the unit to keep both your palms and fingers warm at the same time.Not only is EnergyFlux ideal for winter, it can also serve you all year round as a backup battery. EnergyFlux can charge digital products up to 5 times before its own power is depleted, making it convenient for short business trips and other traveling!Note:It may take a little time for EnergyFlux to heat up after being left out in the cold.Heating times are extended by using any form of insulation (e.g. placing it in your gloves, pockets or scarf).If the color you want does not appear to be available for sale, please contact us to ask for an email notice once we have it back in stock. Packing Contents:hand warmer (3.5 x 2.3 x 0.97 inches, 4.55oz)adapter 5V, 1AConnecting chords for charging digital devices may be either of the two sets listed below (also refer to images provided):USB charging cord plus 4 x charging connectors: Apple 30-pin (adaptor needed for devices using Lightning connector), psp, mini USB, and micro USBORUSB cable with female connectorUSB charging cord to charge hand warmermanualpouch