Efficient 2‑channel TENS unit delivering low-voltage pulses for pain relief, muscle stimulation & improved circulation—ideal for clinics & home use. The 2‑Channel Digital TENS Therapy Machine uses low-voltage electrical impulses delivered through self-adhesive electrode pads to block pain signals and promote endorphin release (Pain Gate Mechanism and Endogenous Opioid System) Cleveland Clinic . ✅ Dual Channels – Support up to 4 pads, enabling simultaneous treatment of multiple areas ✅ Frequency Range: Adjustable 2–150 Hz for acute pain (80–120 Hz), chronic pain (2–10 Hz), and muscle stimulation (35–50 Hz) ✅ Multiple Modes: Features Normal, Burst, and Modulation settings to prevent nerve adaptation and enhance therapy 🎯 Applications Include: • Acute & chronic pain (back, neck, joints, arthritis) Cleveland Clinic • Muscle spasms relief & rehabilitation • Improved local circulation & faster recovery 🔧 Portable & User‑Friendly: Manual knobs for intensity control, compact design—ready for clinic or home therapy ✅ Kit Includes: Power cord, lead wires, electrode pad connectors , user manual