1. Material: Pc+Uv+Silicone 2. Input Voltage: Dc5V 3. Motor Size: D24.1Mm X H27.Mm 4. Speed: 12000 Rpm 5. Massage Intensity: 3 Levels 6. Timing Time: 15Min 7. Ems Pulse Discharge Intensity: 4 Levels 8. Massage Head Speed: <=135R/Min 9. Battery Capacity: 1200Mah 3.7V 10. Charging Time: About 1.5H 11. Simulated Kneading And Finger Pressure Mechanical Massage Have The Effect Of Relieving Soreness And Pain In Head Massage