AUTO-ADJUSTED LIQUID SILICONE ? The newly introduced silicone ribs allow for airflow, eliminating the creation of air pockets while providing an added point of stimulation. This real-feel material embodies softness, elasticity, and durability. APP CONNECTED WITH 7 POWERFUL PLEASURE SETTINGS SPECIAL FEATURES ? Both versions have 4 settings, and with LELO APP, users can unlock 3 additional settings via Bluetooth, including the new powerful AI interactive mode. SENSONIC? AND CRUISE CONTROL? TECHNOLOGY ? The sensation of sonic waves and patented Cruise Control? technology that assures no drop in intensity make F1S? V3 the ultimate act of self-love. UNIQUE DUAL MOTOR DESIGN ? Two synchronized motors stimulate the penile nerve endings and shaft, delivering the sensation with no hand motion needed.