Pain can make you feel like your life is on hold. But what if there was a way to relieve that pain fast, without pills or surgery? You're in luck—the Rocket TENS Pain Relief Pen is FDA-cleared for pain relief and uses Transdermal Electronic Nerve Stimulation to relieve pain fast. It can be used wherever you are—at home, at work, or even on vacation. And because it's battery-powered, it's easy to take with you wherever you go. FDA-cleared for pain relief Revolutionary handheld TENS therapy 9 intensity settings Uses Transdermal Electronic Nerve Stimulation to relieve pain fast Technology used by professional physical therapists Includes 3 heads—Double head, Single Precision head, and Flat head Requires 1 alkaline AA battery, not included Great for back, knee, neck, shoulder, hand, leg, and foot pain