Do you have a nagging Backache that never seems to go away? A pain in your Arm, Neck or Knee or have suffered chronic pain over a period of time. Finally, there is a solution that is safe and effective, and easy to use. Introducing MarsOne™, a complete range of Drug Free pain relief TENS unit that specifically target pain. Using Transcutaneous Electrical Nerve Stimulation (TENS) therapy, MarsOne™ products block pain signals to the brain with soothing, electrical pulses - providing you with immediate relief and assisting you to once again enjoy the normal everyday things in life.