For fast and portable pain wherever and whenever you need it, choose the Rite Aid Single Channel Pain Relief Device. It delivers targeted, effective, and safe for pain associated with sore and aching muscles in the shoulder, waist, back, neck, upper, and lower extremities. With the proven power of Tens, the device helps block the nerve pathway from transmitting pain signals from sore and aching muscles while delivering massage-like sensations to ease the pain. Natural, drug-free pain ; Six therapeutic programs; 25 levels of adjustable intensity; This item may be eligible for FSA and HSA reimbursement. For any questions you may have regarding FSAs or HSAs, please browse our Faq.;.