HOW TO USE THE PRODUCT WITHOUT THE APP Before first use, charge the F1S V2 for 2 hours. Press the center button for 1 second to turn it on. The LED lights will flash and display the battery charge level. The LED lights will turn solid and display the vibration level. Press the + or – button to adjust the vibration intensity. Press the center button for 3 seconds to turn it on. Press and hold the + and - buttons simultaneously for 5 seconds to unlock the F1S V2 and prevent it from being accidentally turned on. HOW TO USE THE PRODUCT WITH THE APP Before first use, charge the F1S V2 for 2 hours. Press the center button for 3 seconds to turn it on, simultaneously activating Bluetooth. All LED lights flash simultaneously to show that it has been paired via Bluetooth. Open the F1S app and, after receiving the confirmation message, press the button from the center for confirmation. All LED lights will turn solid, indicating that the device has successfully connected. In the event of a connection interruption, the product will automatically turn off within 30 seconds. Battery level and vibrations can be viewed in the app. TECHNICAL DATA Material: Silicone, ABS and aluminum alloy Size: 143 x 71 mm Insertable: 110.72 mm Weight: 285g Battery: Li-Ion 850 mAh 3.7 V Charging time: 2 hours Usage time: 2 hours. Waiting; 90 days Suction motor frequency: 60 Hz Vibration motor frequency: 90 Hz Interface: 3 buttons. Features: Flexible surface for intense pleasure. Softer and more flexible for increased comfort. Twice the power. More intense and expansive vibrations for endless stimulation. 4 unique designs. With two stimulation motors and four specially designed modes. A wider range of sound intensities. Because you can never be too happy, weve increased the power for extra euphoria. Connected to the app. Connect your device to test it with the Lelo app. Explore control settings and analyze performance from the apps perspective. SenTonic Technology. The overwhelming sensation of sonic waves and patented Cruise Control technology make the F1S V2 the best way to show yourself some self-love. Fully submersible and rechargeable. With the included USB charging cable, you can take the ty F15 V2 anywhere, and its submersible design makes it very easy to clean.