... Li-ion battery 3.Super bright LED Torch 4.Fashional,compact design Hand warmers for arthritis with power pack and mini torch Our ... of goodsTwo function of the goods: Heating warmer & Portable power chargerThe heating warmer function use the PET materials, and it ... depend on the circumstance temperature, and the using method.Portable power charger could charge the digital products, like MP3/4, ...