1. Product Overview
The TENGA FLIP 0 Gravity EV is a reusable electronic vibrating male masturbator designed for enhanced sensation. It features a central vibration core, an integrated pivot for seamless insertion and cleaning, and an easy-to-handle squeezable pressure pad for vacuum control. The device is constructed from soft elastomer with a densely-packed internal design for stimulating experiences.

Image 1: TENGA FLIP 0 Gravity EV device and its retail packaging.
2. Safety Information
- This product is intended for adult use only.
- Do not use if the product appears damaged or compromised.
- Discontinue use immediately if any discomfort or irritation occurs.
- Keep out of reach of children.
- Do not charge the item while it is wet. Ensure all components are dry before connecting to the charging base.
- Use only water-based lubricants with this product. Oil-based lubricants may damage the material.
3. Package Contents
Upon opening the package, verify that all the following items are present:
- TENGA FLIP 0 Gravity EV Device
- Charging Base
- USB Charging Cable
- Lubricant Sample(s)
- Instruction Manual (this document)
4. Setup
4.1 Initial Charging
The device contains 1 Lithium Polymer battery. Before first use, fully charge the device.
- Ensure the device and charging base are completely dry.
- Place the device body with the Slide Arms attached onto the charging base. Ensure the charging base and Slide Arm connectors are in contact.
- Connect the USB charging cable to the charging base and a suitable USB power source.
- A light indicator on the charging base will illuminate during charging and turn off when charging is complete.

Image 2: The device placed on its charging base. Do not charge while wet.
4.2 Preparation for Use
- Remove the Slide Arms from the product.
- Hold the Slide Arm rails from both sides and squeeze to unlock the device, allowing it to open.
- Apply a generous amount of water-based lubricant to the entire internal surface of the device.
- Close the device, ensuring both locks click shut securely.
- Reattach the Slide Arms.
- Apply additional lubricant to the insertion point for comfortable entry.

Image 3: Illustration of lubricating the interior and insertion point before use.
5. Operating Instructions
5.1 Power and Vibration Modes
The TENGA FLIP 0 Gravity EV features a central vibration core with multiple modes:
- To power on the device, press the button located on the Slide Arms.
- Press the button repeatedly to cycle through the available vibration modes: Low, High, Pulse, Random, and Swap.
- To power off, press and hold the button for a few seconds until the vibration stops.

Image 4: The button on the Slide Arms controls the vibration modes.
5.2 Internal Structure and Sensation
The device's internal design incorporates various elements for diverse sensations:
- Dual Vibration Cores: Two vibrating motors are housed within the elastomer, providing direct, rumbling stimulation.
- Helical Edge Dome: Soft, enveloping elastomer and continuous repeated edges produce firm, deep stimulation.
- Central Vibration Core: Emits pulsating vibration from the center, sending trembling stimulation throughout the interior.
- Moving Edge Core: Large rumbling protrusions and surrounding edges stimulate in intertwining, entangling pleasure.
- Deep Vibration Core: Strong vibrations from the tip provide rumbling sensations with each stroke.

Image 5: Location of the dual vibration cores within the device.

Image 6: Detailed view of the internal stimulating structures.
5.3 Using the Pressure Pads
The device features squeezable pressure pads to control internal pressure and create a vacuum effect.
- After insertion, you can use the Pressure Pads to manually control the pressure.
- Squeeze the pads to expel internal air and create a strong vacuum suction, intensifying the sensation.
- Release the pads to reduce the vacuum effect.

Image 7: How to use the pressure pads for vacuum control.
6. Maintenance
6.1 Cleaning
The FLIP 0 Gravity EV's flip-open design allows for easy and hygienic cleaning.
- After each use, remove the Slide Arms.
- Squeeze the Slide Arm rails to unlock and open the device completely.
- Rinse the interior thoroughly with lukewarm water.
- Use a mild soap or specialized toy cleaner and gently clean all internal surfaces.
- Rinse again to remove all soap residue.
6.2 Drying
Proper drying is essential to maintain hygiene and product longevity.
- After cleaning, leave the device in its flip-open position to air dry.
- The charging base can also be used as a stand for air drying.
- Ensure the device is completely dry before reassembling or storing.

Image 8: The flip-open design facilitates easy drying.
6.3 Storage
Store the device in a clean, dry place away from direct sunlight and extreme temperatures.
- The product includes a case to protect it during storage.
- Ensure the device is fully dry before placing it in the storage case.

Image 9: The device stored securely in its case.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not turn on or vibrate. | Low battery. Device not properly assembled. | Charge the device fully. Ensure Slide Arms are correctly attached and the device is securely closed. |
| Charging indicator light does not turn on. | Charging cable or adapter issue. Device not properly seated on base. | Check cable and adapter connections. Ensure the device is correctly aligned with the charging contacts on the base. |
| Reduced suction or vacuum effect. | Device not fully closed. Insufficient lubrication. | Ensure the device is securely locked. Apply more lubricant to the interior and insertion point. |
| Difficulty opening/closing the device. | Incorrect pressure on Slide Arms. | Ensure you are squeezing the Slide Arm rails firmly to unlock the hinge. Do not force the device open or closed. |
8. Specifications
- Model Name: TENGA EV GRAVITY Series
- Item Model Number: TFZ-104
- Brand: TENGA
- Material: Silicone, Thermoplastic Elastomer (TPE)
- Color: White
- Product Dimensions: 3.14 x 2.75 x 7.08 inches
- Weight: 1.2 Pounds
- Batteries: 1 Lithium Polymer battery (included)
- Language: English
9. Warranty and Support
For warranty information and customer support, please refer to the official TENGA website or contact your retailer. Keep your proof of purchase for any warranty claims.





