The "beurer PainAway" app provides you with optimum support when using the Beurer EM 70 Wireless TENS&EMS device for pain therapy and muscle stimulation. The follow app features await you in the app: - Helpful explanations about the various Beurer EM 70 Wireless device application programs - Useful depictions of the correct electrode positioning on each part of the body - Instructions on correct usage of the Beurer EM 70 - Additional information concerning the topic of TENS & EMS