Features: 1) Massage human body for shoulder, thigh, waist,
neck, back side, feet and hands
2) One touch on/off switch 3) Vibration speed: 3,600rpm 4) USB
power: 4.0 - 5.5V (150mA) 5) Dimensions: 85mm x 43mm 6) Weight:
147g 7) 1.5 meters USB cable 8) Different colors are available 9)
This USB massage ball only for massage purpose, not for medical
treatment