Model：ST-B603
Working Voltage：3.3V-4.2V
Power Supply：USB charging(included)
Battery Operated：1100mAh
Vibration Frequency：12500/min
Product Size：76*142mm
Product N.w.：159g
Packing：color box + plastic
Q'ty/ctn：20pcs
Dimension：43.5*35.3*44.0cm/0.067cbm
N.w./G.w.：10.2/11.3kgs