1. Size: put away 55mm in diameter
2. Material: ABS
3. Weight: 30g
4. Power: button battery
5. Working temperature: 10-35 degrees Celsius
6. Mode: 5 modes, acupuncture, scraping, kneading, massage, acupressure
7. Principle: simulate current signal, deceive your muscles to simulate brain signals to stimulate muscle movement, soothe muscle discomfort and relieve fatigue; mini body can be carried around
