Drug-Free Relief for Back, Neck, Shoulder & Leg Tension The Zyra TENS Machine Pro delivers targeted electrotherapy deep into the muscle — the same drug-free technology used in physical therapy clinics. Comfort on demand, at home, without pills. Clinic-Grade Therapy, Pocket-Sized Multiple intensity levels + massage modes — dial in exactly what your body needs, from gentle pulse to deep kneading Drug-free — TENS technology is widely used by physical therapists and chiropractors Rechargeable & portable — use it at your desk, on the couch, or while traveling Reusable gel pads included — set up in under 60 seconds How It Works Place the pads on the area you want to target, pick a mode, set your intensity. Gentle electrical pulses stimulate the muscle and nerves to ease tension. A session takes about 15 minutes — use it while you read, work, or watch TV. 30-day money-back guarantee. If it's not for you, return it — no hassle. Not for use with pacemakers or implanted electronic devices, during pregnancy, or over broken skin. Consult your physician if you have a medical condition.