Material: Zhekai products are made of high quality material, excellent workmanship, durable, easy to operate, easy to carry. Multiple modes: The device contains different power levels and can be used as needed. Massage relaxes the muscles, resulting in quick pain relief and muscle relaxation. Features: Automatic detection of meridian energy points, sensitivity, intensity, frequency can be adjusted. Function: Regular use of this product can reduce pain, improve your mood, and relax. Date First Available June 9, 2023