usb massage ball

1) Massage human body for shoulder, thigh, waist, neck, back side, feet and hands
2) One touch on/off switch
3) Vibration speed: 3600 rpm
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