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4 USB 1.1 ports a type female connectors
Downstream 1 USB b type male connector upstream with a cable
Support both full-speed 12Mb/sec and low-speed 1.5Mb/sec transfer rates
Chains up to 127 USB devices
Individual port over-current protection
Provide up to 500 mA per port sufficient for diverse devices
Truly plug & play automatic installation
DC jack for selectable
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
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