All the leading hospitals from all over the world use the AuDX system in newborn hearing screening programs. For OAE screening, AuDX® is the industry standard and utilized by pediatricians, schools & the Special Olympics Healthy Hearing Program. This portable device provides quick, purpose Pass/Refer results. Users can choose Distortion Product (DP) and/or Transient Evoked (TE) OAE protocols. The memory has the capacity of 50 tests and operated by rechargeable battery. The occlusion and contamination is virtually eliminated by new and enhanced protected microphone and easy-to-clean tip. New and improved probe tip is removable and replaceable. The printout provided by the device is self-adhesive. Various areas the device is used include Universal Newborn Hearing Screening (UNHS), follow-up screening after discharge for newborns mentioned from a UNHS program, examining of cochlear function for newborns and kids who are at risk associate with hearing loss. Screening hearing in newborn, kids and other people can be induced where traditional behavioral audiometry response cannot be determined easily.