Scope of use: household, cervical spine, lumbar spine, etc. 1. Working principle The rechargeable pulse massager uses low-frequency pulses based on electronic acupuncture principles. It simulates 16 basic massage techniques to help improve local blood circulation, support metabolism, and assist in relieving fatigue. Function: Helps reduce fatigue, relieve muscle tension, discomfort, and nerve-related soreness. Promotes blood circulation in targeted areas and may contribute to overall well-being. 2. Scope of use (1) This product is designed for personal home use as an electronic massage device to support general wellness and relaxation. It is not a medical device and is not intended to diagnose, treat, cure, or prevent any disease. (2) Suitable for use at home, offices, hotels, and similar environments. Also ideal for gifting. Features: 1. Default massage time set to 20 minutes; adjustable from 5 to 90 minutes 2. Battery-powered with 12 selectable massage modes 3. 20-level intensity control, dual-channel output, allowing independent adjustment of massage settings on each channel Packing list: 1 massager Note: We only sell the massager; other items shown in images are not included. Due to differences in monitor displays, actual product color may vary slightly from images. Slight measurement variations may occur due to manual measurement.