The Pinnacle Elite Portable Electric Therapy TENS Pain Relief Massager Machine Unit is a handheld device designed for physical medicine and rehabilitation. This unit, made by the brand Pinnacle, is a portable electric therapy machine intended for pain relief. With a sleek design and origin from China, this unit is a valuable tool for those seeking relief from pain and discomfort. The unit is not a custom bundle and has not been modified, offering a straightforward and effective solution for therapy needs.