LELO F1s Developer's Kit Red Kit Masturbation Kit
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LELO F1S Developer's Kit Red Kit Masturbation Kit

Ref.: 1700801

$203.45 $267.85
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This is one small step for men, but one giant leap for mankind. That's because, dear friends — we have the first toy in the world which, instead of vibrations, emits powerful sonic waves. These waves penetrate your penis from all angles and at the same time — without losing intensity. This is all possible thanks to LELO'S patented Cruise Control and SenSonic technologies — the same revolutionary concepts that have made the LELO Sona suction device the best-selling and most prestigious female sex toy in the world. Imagine a male masturbator with a sporty design and a soft, ribbed interior that delivers deep stimulation — stroking you without ever slowing down at the wrong time. This is not utopia — this is the F1S Developer's Kit. It's a toy where science and nature come together to drive you to ecstasy. Pay attention because it hides even more secrets.

Personalise your pleasure with the app

The F1S has a totally free and exclusive app that you can use to programme the stimulation just the way you like it. Become the master of your own pleasure. How do I install the application?

Download F1S app (compatible with iOs and Android) and install it on your mobile. Make sure the device is turned off (if the lights are on, press and hold the power button until the lights turn off). Launch the application and wait for the video introduction to finish or click skip at the bottom right of the screen. Then, the following message will be displayed: "Press the button on the device to connect". Press the power button on the F1S device; it should flash indicating that your F1S is in connection mode. The application will guide you through the process of configuring your stimulation.

How does F1S work?

Before first use, charge your F1S for 2 hours. Once charged, press the button in the middle to activate it. A long press will activate Bluetooth connection mode. When all LEDs are lit without flashing, Bluetooth has been successfully connected. Pressing the '-' button will reduce the intensity of the vibrations. Holding down the central button will turn off your F1S. Press and hold the + and - buttons for 5 seconds to lock your F1 and prevent unintended activation.

How do you clean F1S?

Clean your F1S thoroughly after each use. You may wash the silicone with warm water and antibacterial soap, rinse it with hot water and dry it with a lint-free cloth or towel. Never use cleaners containing alcohol, petroleum spirit or acetone.

Key features of the F1S Developer's Kit:

  • The first male masturbator with Sensonic technology and patented Cruise Control settings.
  • Instead of the typical vibrations, it stimulates your penis with powerful sonic waves that lead to overwhelming orgasms.
  • No loss of power or intensity.
  • Features 10 motion sensors.
  • Sporty design.
  • Soft, safe and hypoallergenic medical silicone interior with a ribbed texture and curves for added pleasure.
  • You can customise your pleasure with the free app.
  • It has a window panel so you can view the action whenever you wish.
  • Waterproof and rechargeable.
  • Compatible with water-based lube.
  • Charge time: 2 hours
  • Use time: 2 hours
  • Simple control panel with three buttons.
  • Penetration length: 11.7 cm. (4.6 inches)
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LELO F1's Developers Kit

Before the first use, charge your F1's​ male masturbator​ for 2 hours. Once charged, press the central button to activate it. A long press will activate the Bluetooth connection mode. When all LEDs are on without blinking, it means that the Bluetooth has been successfully connected.

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