... relax,treat insomnia,tired,worried,psychosis,hospital use.. Therapy brainwave therapeutic apparatus : BW308,hospital use.System features:*. It has 8 sets of ... applied with four basic signal model , and its frequency range for 28hz to 10hz , and constantly repeatedly .Functions: relieve anxiety, ... boos type earphone, eight pairs of glasses. 2012 Therapy brainwave therapeutic apparatus for psychopath