Transcutaneous electrical nerve stimulation (TENS) is usually a surface-utilized device that provides minimal voltage electrical current through the skin to generate analgesia. Given the system of action of conolidine not like opioids which in turn would do respiratory harm. It wouldn't induce a deadly overdose just how opioids would. https://www.proleviate.com/post/conolidine-an-alternative-natural-pain-relief-to-replace-traditional-painkillers