If you want to see more videos on how it works, please contact us. The Multi in One AI Intelligent Hydrotherapy Massage Cup is a multifunctional male massager that combines vibration, insertion, rotation, suction, hydrotherapy, APP, and video synchronization. 9-frequency vibration+9-frequency insertion/rotation+9-frequency suction, three sets of 9-frequency systems can be freely combined. Hot and cold water bath massage (warm water<40 ℃ for relaxation/cold water>10 ℃ for stimulation), remote control via APP (video synchronization/remote interaction), real-time feedback status on LCD display screen. 3D textured soft inner liner, soft entrance+dense particles. USB charging, low noise. Multi in one - vibration+insertion+rotation+suction+hydrotherapy+APP+video synchronization Three sets of 9-frequency systems -9-frequency vibration x 9-frequency insertion/rotation x 9-frequency suction Hot and cold water bath - warm water relaxation, cold water stimulation, dual effect training APP intelligent control - video synchronization, remote interaction LCD display screen - real-time feedback, clear at a glance