The MicroTENS Touch will relieve sore muscles and help manage your chronic aches and pains. This versatile device features 20 intensity levels and 24 massage modes that can easily be used for shoulder pain, back pain, foot pain and more. This TENS unit features a 3.75-inch LCD touch screen that will clearly display the setting, type of massage, intensity level and timer option. Relieve your stress with the a touch of a button!.