F2S™ is made from biocompatible silicone, ABS plastic, and aluminum alloy, with a smooth finish designed for premium comfort. It measures 110 x Ø 82 mm and weighs 267 g. The device is powered by a 520 mAh 3.7 V lithium-ion battery and charges in up to 2 hours at 5 V 520 mA.
It offers up to 2 hours of use time, 90 days of standby, a frequency of 93 Hz, and a maximum noise level under 60 dB. The interface includes 3 buttons for easy manual control. Rated power is Input: 5 V 520 mA 2.6 W and Output: 3.7 V 440 mA 1.6 W. F2S™ includes 8 built-in modes, while the LELO app unlocks Finish Me O and Out Of Control, plus the Love Bridge feature for private partner connection and remote control.