NeuroMetrix, Inc. is a healthcare company, which engages in the research, development, and trade of medical equipment and consumables. The company is headquartered in Waltham, Massachusetts and currently employs 42 full-time employees. The firm is engaged in the sale of medical equipment, and consumables and accessories. The company has two principal product lines: Wearable neuro-stimulation therapeutic devices and Point-of-care neuropathy diagnostic tests. Its products include ADVANCE NCS/EMG System (the ADVANCE System), Quell, SENSUS and DPNCheck. Quell is a wearable device for relief of chronic intractable pain, such as nerve pain due to diabetes and lower back problems. The SENSUS pain therapy device, the technological predecessor to Quell, is a prescription neuro-stimulation device based on transcutaneous electrical nerve stimulation (TENS) for relief of chronic, intractable pain. DPNCheck is a quantitative nerve conduction test. ADVANCE System is a platform for the performance of traditional nerve conduction studies.