A device for providing electrical stimulation of a human knee. One example device includes first, second, third, and fourth surface electrodes, a wrap configured to be wrapped around the human knee, and an electrical device. The wrap includes a wrap positioning indicator configured to be positioned over a specified portion of the human knee. The wrap also includes first, second, third, and fourth electrode attachment locations corresponding to acupuncture points Stomach 34, Stomach 36, Spleen 9, and Spleen 10. The electrical device is configured to automatically send, to the first, second, third, and fourth surface electrodes, during a single treatment, a first current at a first frequency for a first time period followed by a second current at a second frequency for a second time period, with the first frequency being different from the second frequency.
