1. Power supply from DC&USB, easy to heat / light, safe and reliable.
2. Small and delicate, portable, especially designs for people who go with the fashion and always use computer.
3. Effectively keep palm warm. Be good at decreasing the pressure on life, promoting the blood micro-circulation,
4. Working time: 4 hours for the highest temperature/5 hours for the lowest temp.           
5. Charging time: 6 hours.                                                                                     
6. Lighting time: 10 hours with continuous without heating
7. Can be as the portable power supply for MP3,MP4,the Phone and Camaera.                                   
8. Metarial: Plastic                                           
9. Battery:2600mAh Aluminum 
10.DC5V,500MA, AC110-220V.                                                                                                               11.Accessories: Adaptor, USB cable