With its luxurious liquid silicone interior and dual open ends, F2S™ delivers a uniquely immersive stroking action with fourteen powerful pleasure settings. Using the LELO™ app, you can enhance your sexual performance with two special app training features stamina trainer and the guided Kegel exercises for men. You can also unlock six additional app-only modes, including the AI interactive mode that syncs the motors with the device’s movements in real-time.