LELO F2S™ Double Sonic.

The short version: this is an app-connected stroker built around two sonic motors—one at each end of the sleeve—rather than ordinary vibration alone.

Trust check: we have not hands-on tested this product yet. Features and specifications below are paraphrased from LELO’s current product page; opinions are clearly separated from manufacturer claims.

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Original editorial render inspired by the F2S Double Sonic's black and red design

The useful details.

Rechargeable: up to 120 minutes use; charging takes up to 120 minutes.
Waterproof; silicone, ABS and aluminum construction.
Double Sonic measures 140 × 82 mm, with a 34–45 mm internal diameter. It is not the original 110 mm F2S sold under Lovehoney code 87807.
Automatic shutoff after 20 minutes.

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Our early read

Interesting. Not proven yet.

The dual-sonic setup and wide control range make the F2S Double Sonic genuinely different on paper. The app adds Humanize, adaptive AI control, stamina training, and long-distance partner control—but that also means part of the value depends on whether the software is reliable and whether you actually want your toy connected to a phone.

A long feature list is not enough on its own. Before we score it, we want trustworthy evidence on real-world sensation, sleeve cleanup and drying, app stability, noise, fit, and whether the experience earns the premium price.

—Rating withheld pending testing

Manufacturer facts

What the hardware says.

StimulationTwo motors power sonic stimulators positioned at opposite ends of the sleeve.

Controls8 built-in modes plus 5 app modes, with 16 intensity levels.

App extrasHumanize mode, adaptive AI mode, stamina training, and LoveBridge partner control.

MaterialsBody-safe silicone, ABS plastic, and aluminum alloy.

Water resistanceLELO describes it as 100% waterproof for bath and shower use.

BatteryUp to 2 hours of use from up to a 2-hour charge; 90-day standby.

Size5.5 inches tall × 3.23 inches wide; listed diameter range 1.3–1.77 inches.

Weight12.7 ounces / 360 grams.

Noise claimManufacturer lists a maximum noise level below 60 dB.

The no-BS test

What we still need to learn.

REAL FEELDoes dual sonic stimulation feel meaningfully different—or just sound impressive?

CLEANUPHow easy the internal sleeve is to rinse, dry completely, and store.

APP RELIABILITYPairing speed, dropped connections, useful controls, and privacy tradeoffs.

VALUEWhether the complete experience justifies its price against simpler competitors.