These electrical pulses stimulate the release of endorphins, the body's natural pain reliever. Safe for daily use. The professional strength TENS treats and targets specific areas of the body. IN THE BOX - The device includes A clear and easy to follow step by step guide user instructions Inside the box, you’ll also find 1 x wireless tens unit, 1 x wireless module, 1 x large butterly electrode,, 4 x Round self-adhesive electrodes, 1 x usb charging lead.
eBay