1. Acupuncture Pen: The irradiation promotes deep skin penetration and a synergistic effect. Lowfrequency, narrowfrequency pulses with field strength have a calming and painrelieving effect. The product has therapeutic benefits. 2. 10 Intensity Levels: The acupuncture pen features 10 different intensity levels. You can adjust the energy level individually based on treatment needs. When you feel a strong pulse while tilting the pen, you have located the acupuncture point. 3. 5 Modes: 5 main modes combined with 10 intensity settings and 9 waveforms provide a unique massage experience. Extremely long battery life: The powerful 1000mAh lithium battery lasts about 30 days with 5 minutes of daily use. 4. Rechargeable Wireless: The meridian pen is rechargeable. Small and lightweight, the compact acupuncture pen easily fits into your pocket, handbag, or backpack for pain relief when traveling or working. Ideal for outdoor and home use—convenient and comfortable.