... durable ,7hours warming,Beautiful,light,portable girl's like hand warmer YOYYO-85 Features:1.Beautiful,light,portable2.Heart ... design against the hand,using friendly,comfortable.3.The most advanced heating pattern ... Lithium battery,charging more than 500times6.Alumina ceramic heater7.USB head charger,high application,public to PDA,GPS,telephone,etc.products8 ...