Model:ST-H309
Working Voltage:3.3V-4.2V
Power Supply:USB charging(included)
Battery Operated:650mAh
Vibration Frequency:6200/min
Product Size:91x48x110mm
Product N.w.:67g
Packing:gift box
Q'ty/ctn:20pcs
Dimension:37.5*38.5*30.5cm/0.044cbm
N.w./G.w.:5.7/6.4kgs