• Innovative open-interface pleasure console integrates a customisable software development kit (SDK) with orgasmic SenSonic™ technology• Powerful dual motors massage your shaft with four sonic wave modes, seven patterns and patented Cruise Control™• Customise sensations inside the ultra-soft silicone sleeve and track your progress via state-of-the-art internal sensors• 100% waterproof and USB rechargeable for quick, convenient pleasure• Bluetooth enabled; exclusive LELO app is compatible with iOS and Android• Register your F1S™ V2 with LELO for a 1-year warranty