1. Material: ABS + Fabric 2. Charging Current: 1A 3. Input Current: 5V/1A 4. Charging Time: Approx. 3 hours 5. Rated Power: 10W 6. Noise Level: Approx. 55 decibels 7. Battery Capacity: 3.7V/2000mAh 8. Air Pressure Levels: Level 1, Level 2, Level 3, Level 4, Level 5 (intensity increases from low to high) 9. Working Timer: 15 minutes/cycle 10. Continuous Use Time on a Full Charge: 90-100 minutes 11. Temperature: Low: 42°C -/+2°C, Medium: 44°C -/+2°C, High: 46°C -/+2°C 12. This hand massager provides air pressure massage and heat therapy to the hands. 13. Features a simulated finger-pulling motion, promoting blood circulation and relaxing muscles. 14. For both left and right hands, no need to reverse the machine, easy to operate.