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Internal Length

4.5 Inches

Canal Girth

1 Inch




Body-safe silicone





F1S Prototype Masturbator by Lelo

Master self-pleasure with the revolutionary F1S Masturbator from Lelo. Striking the perfect balance between pleasure and science, this ground-breaking accessory uses SenSonic technology to provide users with orgasms like they’ve never experienced before.

Completely in a league of its own, this masturbator uses cruise control and SenSonic technology to invigorate the senses. Featuring two powerful motors, the F1S uses a combination of conventional vibrations and sonic waves which penetrate deep into the penis- allowing users to experience stimulation from every single angle.

Designed with simple intensity controls, this product is easy to use and fits snugly in your palm for convenient, single handed use. The textured aluminium body also makes this masturbator easy to grip whilst the interior is crafted with curved internal grooves for added sensuality during play. The internal canal is made from a body-safe silicone material which is gentle against your skin through even the most vigorous use.

Featuring 10 performance sensors, track your progress using the SDK app to create an experience that is completely tailored to your needs. Designed to monitor and control intensity, the cruise control setting maintains steady and powerful sensations to prevent drops in power. This allows users to enjoy continuous and uninterrupted pleasure with every use.

This waterproof accessory also includes a window in the casting to enable you to watch as well as feel this amazing product at work. Clean this item quickly and easily with a little soap and lukewarm water. For extensive hygiene, you can then follow up with a few sprays of disinfectant toy cleaner.

An exclusive LELO demo app will become available to you once your product has been shipped and is compatible with both iOS and Android devices. Connected by Bluetooth, the app allows you greater and closer control over your personal pleasure. With the app, you truly put pleasure at your fingertips!

Contents: F1s Trainer LELO (Toy) Cleaning Spray, Don't Disturb Sign, Gloves, Starter Guide, USB Charger, Satin Storage Pouch, Warranty Registration Card and Detailed Instruction Manual.