New Art of MIMI Hand Warmer 1.USB charger,lithium battery, 2.portable,convenience,safe,gift 3.7 hours warming,durable Name:New Art of MIMI Hand WarmerFeatures:1.USB head charger,high applicant,public to PDA,GPS,telephone and so on2.beautiful,ligh,portable3.heart shape design,easy to use and environment friendly4.the most advanced heating pattern,high efficiency5.LCD light displays the power ...