the d_o_d_ has released a new smart phone application help service members use the therapeutic benefits of biofeedback bios and also known as t_-two uses wireless sensors to show the use of their physical level of relaxing shin it combines with brain waves show meditative inattentive cognitive states users can document their session with biofeedback data recorder on their phone or tablet no black is free for android devices it's the first low cost method for clinicians and patients used biofeedback in a house