LELO | F1S™ V3 XL – App-Connected Male Masturbator

Why anatomical fit is a precision engineering problem — and how the XL solves it

Standard pleasure devices are engineered around statistical averages: a single insertable length and diameter range calibrated to approximate a majority fit. For a device whose entire performance depends on consistent, full contact between its internal surface and anatomical tissue, an imprecise fit is not a minor inconvenience — it is a fundamental performance limitation. Reduced contact surface means fewer mechanoreceptors activated simultaneously; fewer receptors means reduced signal density reaching the nervous system; reduced signal density means lower perceived intensity, regardless of how powerful the motors are. The F1S™ V3 XL was engineered to address this directly. With 120 mm of insertable length versus the standard V3's 110 mm, and a diameter range of 42–64 mm versus 40–60 mm, the XL extends to accommodate anatomies the standard model under-serves — but the critical engineering is not simply the additional millimetres. The self-adjusting internal groove system doesn't passively accept whatever anatomical fit exists; it actively adjusts to maintain maximum contact throughout use, continuously optimising the contact surface regardless of individual variation. This means the XL delivers the full output of its dual-motor system — suction motor at 64 Hz and vibration motor at 93 Hz, the same desynchronised architecture that defeats neural adaptation in the standard V3 — to the maximum possible receptor surface for its anatomical range. The same app-connected AI mode. The same 8 vibration modes. The same LEXAN™ 141R transparent design. The same hands-free ergonomic architecture. Applied to a fit envelope that leaves nothing on the table. Available in Red and Teal.

The LELO F1S™ V3 XL brings the full dual-motor, app-connected architecture of the F1S™ V3 to a larger anatomical range: 120 mm insertable length, 42–64 mm diameter, self-adjusting grooves engineered for maximum contact. Available in Red and Teal.

Precision engineering. Extended reach.

Connect the F1S™ V3 XL to the LELO app to access the interactive AI mode, customise vibration programs, and control every parameter with precision. Self-adjusting internal grooves maximise contact across the XL's full anatomical range, while the dual-frequency motor system delivers sustained intensity without plateau. The three-button interface provides immediate manual control at any moment. Automatic shutoff after 20 minutes. Up to 2 hours use time on a full charge.

Key Features

• Extended anatomical fit: 120 mm insertable length, 42–64 mm diameter range — engineered for anatomies the standard V3 under-serves
• Dual desynchronised motors: suction motor at 64 Hz + vibration motor at 93 Hz — maximum contact surface, sustained intensity without neural adaptation
• 8 vibration modes including interactive AI mode via the LELO app
• Premium liquid silicone with self-adjusting internal grooves that actively optimise contact throughout use
• Hands-free ergonomic design with LEXAN™ 141R transparent window
• 3-button interface; app-connected via LELO app; automatic shutoff after 20 minutes
• Available in Red and Teal

Specifications

• Materials: Body-safe silicone, aluminum alloy, LEXAN™ 141R
• Size: 154 × Φ 72 mm
• Insertable length: 120 mm
• Diameter: 42 mm – 64 mm
• Weight: 320 g
• Battery: Li-ion 850 mAh 3.7 V
• Charging time: 2 hours at 5 V 850 mA
• Rated power: Input: 5 V / 3.75 W — Output: 3.7 V / 1.5 W
• Use time: Up to 2 hours
• Standby: 90 days
• Motors: Suction motor 64 Hz / Vibration motor 93 Hz
• Noise level: < 75 dB
• Interface: 3 buttons + LELO app
• Auto shutoff: After 20 minutes of inactivity
• App connectivity: Yes, via the LELO app
• Colours available: Red, Teal
• Brand: LELO

For external and internal use. Made with body-safe, biocompatible materials. Use water-based lubricant only — do not use with silicone-based lubricants. For single-user use only. Clean before and after each use.