Intelligent to locate: Automated acupoint detection represents a novel integration of Traditional Chinese Medicine with modern technology, demonstrating the efficacy of meridian-based acupuncture. Through auditory cues based on sound variations, assist in locating acupuncture point. SENSITIVITY: Smart Finder, Buzzer Reminder. Moving the probe on the acupuncture area: Silent, increase. Beeps constantly, decrease. After calibrating, the beeping accelerate as the acupuncture point near. Correct! And the faster the buzzer sounds, the closer the acupuncture point locates. Adjust levels based on skin hydration. 3 MODE: 1) Ripple wave (50 Hz): Targets the outer skin Layers with gentle stimulation. 2) Intermittent wave (10 Hz): Penetrates mid-layer tissues for localized relief. 3) Continuous wave (4 Hz): Reaches deeper tissues with enhanced therapeutic stimulation. 20 INTENSITY: Start at low intensity. Gently apply the probe to the acupuncture area and press START to initiate stimulation, then assess intensity gradually increasing to tolerance. Applying thin gel/water to the acupuncture area enhances conductivity, improving treatment efficacy. Rechargeable: 500 mAh. 10min/day, lasts 10 days. Slipping it into pocket / handbag / backpacks, the acupuncture pen relief pain for acute and chronic conditions including arthritis, muscle soreness, joint stiffness, and back pain. ‌Engineered for portable pain relief‌ – your on-the-go therapy companion. Manufacturer Warning: Do not use during menstruation and pregnancy. Not for use with implanted electronic devices such as pacemakers.‌ Package listing: Acupuncture pen with big probe head, Small probe head, Conductive rod, USB charging cable and Manual; Product weight: 0.23 lb, Package weight: 0.78 lb. Dimensions: 10.3x4.2x1.8 in. PORTABLE, RECHARGEABLE & WIRELESS: Meridian Pen is wireless and rechargeable. Compact and lightweight, you can easily put the small acupuncture massage pen in your pocket, handbag, backpack, or pouch if you're traveling or perhaps just going to work for a whole day and need relief from pain. Effective in relieving acute and chronic physical pain caused by arthritis, muscle, joint, or back pain. apply best meridian therapy experience.