WHAT IS TECHCARE MASSAGER : It is a combination of TENS and PMS device, drug free method of pain relief used by Physical Therapists and prescribed Doctors for over 40 years. TechCare Massagers delivers low-voltage pulses to the skin to stimulate nerve fibers effectively blocking the pain signal to your brain. Also increases natural endorphins--a natural pain reliever. There will be NO need for pain pills ANYMORE!.FEATURES : Multiple preprogramed massage modes with Touch Screen. Tapping, Acupuncture, Deep Tissue, Foot, Cupping, Combo. Adjustable 20 to 60 minutes timer by tapping the timer. Rechargeable internal lithium battery. Up to 20 hours continues use. A-B Output will allow you to use it as 2 separate user.WHAT IS INCLUDED ? : 1x 2022 Newest Model Touch Screen Controller, 8 Large Electrodes ( Pads ), 2 Electrodes Cables, User's Manual, Usb and Wall Charger, 1 Electrode Pad and Wire Holder, 1 Treatment Points Chart they all come with LIFE TIME LIMITED WARRANTY.PAIN RELIEF: Techcare Massager contracts and releases the muscles. Chiropractors has been using these products.