Handwärmer mit USB-und Batterie-

Hand warmer with USB and Battery 1,The Hand warmer is designed with ergonomic, streamlined look for handheld use, you can put in pocket or hand use; 2, with a USB cable, USB cable connected to the computer can be used; usually can USB power with, as a battery charger (this feature optional, this offer does not contain this feature); 3, The battery is removable,the user can freely choose the battery (battery for the battery 5AA, the proposed high-capacity rechargeable battery 5), but also a back-up, truly continuous use; 4, stall set of three files, stalls for one LOW 10--25 degrees C, use of the environment, can reach 43 degrees (plus or minus 3 degrees C), HIGH stalls for 0 - 10 degrees C, use of the environment, but also can reach 43 degrees (positive negative 3 degrees C); 5, The machine is light weight, easy to carry, and to reduce transportation costs;