F1S Developer’s Kit Masturbator

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SKU: E28278 Categories: ,


LELO’s revolutionary SenSonicTM technology F1S provides you with completely new and completely mind-blowing sonic waves so that you will experience an entirely new level of relaxation. If you prefer, you can make use of the free SDK to create your very own sensations and track your progress – and prowess, of course – through the customizable internal sensors.

Since it is a dual motor stimulator. The other electronic motor is designed to send powerful sonic waves into your penis that resonate deep inside it, by making the object appear to be resonating from all sides at the same time. The other is in charge of developing 10 cutting-edge performance sensors. With these two, it will achieve the ultimate intensity control that you can achieve with only one hand to create a unique and overwhelming orgasm.



  • Type of Stimulator: Dual Motor Masturbator
  • Finishing Touch: Curved Internal Grooves For Heightened Sensation
  • Materials Used: Body-Safe Silicone Sleeve, Premium Texture Aluminium Body, and Ergonomic.
  • Water Resistance: 100% Waterproof
  • Battery Life: 2 hours uninterrupted use
  • Charger Type: Micro-USB Charger
  • Controlled Remotely: Lelo App
  • Controlled Locally: Bluetooth
  • Size: 143mm x Φ 71mm
  • Weight: 286.9 g
  • Vibrators: 10 sensors and 2 motors


  • F1S Red Trainer
  • LELO (Toy) Cleaning Spray
  • Don’t Disturb Sign
  • Gloves
  • Starter Guide
  • USB Charger
  • Satin Storage Pouch
  • Warranty Registration Card
  • Detailed Instruction Manual

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