F1s Developer’s Kit


The World’s First SDK-Enabled Male Pleasure Object

LELO is putting you in the driver’s seat with this revolutionary developer’s kit. The mind-blowing sensation of sonic waves and patented Cruise Control technology make F1s the ultimate act of self love.


Sensual videos and more details below ⇓

All LELO intimate lifestyle products come with a 1-year warranty.
Designed and made in Sweden.

Out of stock


Meet The Future of Sex Tech


Lelo has one of the most high-tech masturbation machines on a market. The F1 sends sonic waves through your penis for an elevated experience, with multiple settings to cater to your very specific whims. Consider treating yourself.


In addition to being the world’s most pleasurable male masturbator, F1s is an open-interface trainer equipped with 10 state-of-the-art sensors for real-time performance feedback through the LELO app. But what you do with that data is entirely up to you – download the iOS or Android SDK (Software Development Kit) to build your own cybersexy apps or connect to the virtual world, and let your imagination drive you wild.

  • Game-changing SDK gives you the ability to shape the future of sextech.
  • Provides real-time performance feedback on your size, speed, stamina and skill.
  • Fully-waterproof and USB rechargeable.
  • With a transparent window encircled by LED lights, it allows you to explore the mechanisms driving your pleasure


Access to Groundbreaking LELO Tech
Open interface enables you to capitalize on sophisticated, industry-leading technology and shape the future of sex.

Connect your device to test drive the LELO app – control device settings as well as gain new insight into your performance.

SenSonic Technology
The mind-blowing sensation of sonic waves and patented Cruise Control technology make F1s the ultimate act of self love.

Body-Safe Silicone
Ultra-smooth and soft to the touch, F1s looks sleek on the outside and feels sexy on the inside.

Fully Waterproof & Rechargeable
Using the supplied USB charging cable, F1s Red can go wherever you go, and the smooth, waterproof design is easy to keep clean.

How to Connect the F1s to the App

Additional information


There is a sexy, sensual ritual to opening a LELO box: it’s a celebration of pleasure, the ultimate expression of indulgence and excitement. Share it wisely, often, and with care.

F1s Red Trainer
LELO (Toy) Cleaning Spray
Don’t Disturb Sign
Starter Guide
USB Charger
Satin Storage Pouch
Warranty Registration Card
Detailed Instruction Manual


Materials: Silicone, ABS, Aluminum alloy
Body Colors: Matte Black
Interface: 3-button
Sensors: 10
Motors: 2
Frequency: 63Hz
Battery: Li-Ion 850mA 3.7V
Charger Time: 2hr at 5.0V 700mA
User Time: 2h
Standby Time: 90 days
Size: 143mm x Φ 71mm
Insertable Length: 110.72 mm
Weight (only product): 286.9 g


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