... thin Wrinkle, Gray complexion etc.3.Improvement:Improve facial nerve anaesthesia, Relieve pressure, Improve sleeping.4.Dispel: Fleck, Sunburn, ... of charge.1). Within one month, if the machine is of any big fails, we will send you ... a new machine.2). Within one year, if you send back ... ). After one years, we offer to repair the machine, but we ask for the cost of the changed ...