Thrust Mode 2.1 Tap it to switch to Telescoping Mode. There are 5 of them, cycling back and forth. 2.2 Press it for 1.2 seconds to turn on/off the telescoping. Suck Mode 3.1 Tap it to switch to Sucking Mode. There are 5 of them, cycling back and forth. 3.2 Press it for 1.2 seconds to turn on/ off the sucking. Vibrate Mode 4.1 Tap it to switch to Vibration Mode. There are 10 of them.cycling back and forth. 4.2 Press it for 1.2 seconds to turn on/off the vibration. HOW TO USE: CHARGING: The charging time is 3.5 hours, and the full battery can be used continuously for at least 90mins. When the power level is below 10% the indicator lightwill flash rapidly for 3 seconds and then be off. While charging.the light will keep flashing slowly, and all functions cannot beused. When it was fully charged, the white indicator lightwill keep on. Power Switch: * When all three keys are off, it's power-off, and the PowerSwitch needs to be pressed longer to restart it before using. 1.1 Press and hold it for 1.2 seconds to turn on the power.then it will be in the first place of Sucking/ Vibration andStretching Mode.In the power-on state, press and hold it for1.2 seconds to turn off the power. 1.2 Tap it to pause all the actions. And tap it again toresume the pre-pause action. Plug in the vibrating bulletaligned with the bullet hole.After the vibrating bullet isinstalled, insert the bottom seataligned with the base of theinner cup.Hold the sucking male masturbator cup body and thebase up and down (pleasenotice that the transparentwindow is in the samedirection as the buttons]and put it together as awhole. then rotate it in thedirection of Close tillit's locked.Make sure the up and downarrows are aligned and arelocked properly.