@PDHERFANTASY Vibration Power On/Off: Press power button to turn unit on. Press function button A to start vibration of head motor. Press function button A to cycle through 10 patterns of vibration. Press function button B to start vibration of pinpoint motor. Press function button B to cycle through 10 patterns of vibration. Both motors can be used simultaneously. Press power button to turn unit off. Ergonomic Design and USB Rechargeable @sc-2019-41 @summer-2019-42