Item Name: USB Massage Ball Item No.: MT-USB-24186 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: 85 x 43mm 6) Weight: 147g 7) 1.5 meters USB cable 8) This USB massage ball only for massage purpose, not for medical treatment 9) Rosh approval. Packing:each pc in a silver box/blister card Meas：43*34*62cm G.W./N.W.: 11kgs/10kgs/ctn Quantity： 100pcs/ctn Unit Size: 26*23.5*9cm