... to Ipad,Iphone,=1.5pcs Iphone battery 3.Charged by USB 1. With an 3000mah Lithium–ion battery,could be recharged up to 500 ... ,steeless shells on front and back,comfortable3.Portable design,convient for travel,school , outdoor sport and cold enviorment4. With smart warming ... function:a.With a samrt IC for Inteligent temperature control ,keep hand warmer run between 40°C ...