Model：ST-F804
Working Voltage：3.3V-4.2V
Power Supply：USB charging(included)
Battery Operated：500mAh
Vibration Frequency：7000/min
Product Size：ø33.5*126mm
Product N.w.：47g
Packing：color box + plastic
Q'ty/ctn：48pcs
Dimension：44*31.3*33.7cm/0.046cbm
N.w./G.w.：5.4/6.3kgs