Beurer Digital TENS/EMS Device with Heat Function EM 59The EM 59 Heat Stimulation Current Device from Beurer including 4 gel pads provides 4 central functions in just one device. In addition to transcutaneous electrical nerve stimulation (TENS) for pain relief, you can also use it for electrical muscle stimulation (EMS) alongside your training or for regeneration. A massage function and a heat program round off the products features. Transcutaneous electrical nerve stimulation (TENS) for pain relief