1. Product Overview
The VANMASS Car Phone Holder Mount CTEZ11 is engineered for stability and durability, providing a secure grip for your smartphone on various car air vents. Featuring a patented steel-hook design and robust construction, it ensures your device remains stable even on challenging roads.

Image 1: The VANMASS Car Phone Holder Mount CTEZ11, showcasing its design and how a phone sits securely within it.
2. Setup and Installation
Follow these steps to correctly install your VANMASS Car Phone Holder Mount:
- Prepare the Vent Clip: Extend the steel hook of the vent clip by twisting the knob. Ensure the hook is fully extended for maximum grip.
- Attach to Air Vent: Carefully insert the extended hook into one of your car's air vent blades. Ensure the hook securely latches onto the blade.
- Secure the Clip: Twist the knob on the vent clip clockwise until it is tightly secured to the vent blade. You will hear a click, indicating it is fully tightened and stable.
- Attach Phone Holder: Align the ball joint of the phone holder with the socket on the vent clip. Push firmly until it snaps into place. Tighten the collar around the ball joint to secure the holder's position.
- Adjust Angle: Loosen the collar slightly to adjust the viewing angle of the phone holder. Once the desired angle is achieved, tighten the collar firmly.

Image 2: Demonstrating the installation of the vent clip onto a car's air vent.
3. Operating Instructions
Using your VANMASS Car Phone Holder is straightforward:
- Inserting Your Phone: Press the quick-release button (usually located on the side or bottom) to open the clamping arms. Place your phone into the holder and gently push the clamping arms inward until they securely grip your device.
- Removing Your Phone: Press the quick-release button to automatically open the clamping arms, allowing you to easily remove your phone.
- Adjusting Viewing Angle: The holder features a 360-degree rotating ball joint. Loosen the securing collar behind the holder, adjust your phone to the desired portrait or landscape orientation, and then tighten the collar to lock it in place.
- Charging Access: The adjustable lower support is designed to leave the charging port unobstructed, allowing you to charge your device while it is mounted.

Image 3: The phone holder in use, demonstrating its 360-degree rotation for optimal viewing during navigation.
4. Maintenance
To ensure the longevity and optimal performance of your VANMASS Car Phone Holder Mount, consider the following maintenance tips:
- Cleaning: Wipe the holder regularly with a soft, damp cloth to remove dust and grime. Avoid using harsh chemicals or abrasive materials that could damage the surface or silicone pads.
- Temperature Exposure: While the PC+ABS material is endurable for extreme temperatures (-40°C to 90°C), prolonged exposure to direct sunlight or extreme heat/cold when not in use may affect its lifespan.
- Check Connections: Periodically check that the vent clip is securely tightened to the air vent and that the phone holder is firmly attached to the ball joint.
5. Troubleshooting
If you encounter any issues with your VANMASS Car Phone Holder Mount, refer to the following common solutions:
| Problem | Possible Cause / Solution |
|---|---|
| Holder is not stable or falls off the vent. | Ensure the steel hook is fully extended and the knob is twisted tightly until it clicks, securing it firmly to the vent blade. Verify that your vent type is compatible (horizontal or vertical blades are generally supported, round or non-standard vents may not be). |
| Phone feels loose in the holder. | Ensure the clamping arms are fully closed around your phone. The silicone vacuum pads provide increased friction for a secure grip. The adjustable foot should be positioned correctly to support the phone's bottom edge. |
| Phone gets hot while mounted. | This can occur if the phone is blocking the air flow from the vent, especially if the vent is blowing hot air. Adjust the vent direction or consider using the air conditioning to cool the phone. |
| Side buttons or charging port are obstructed. | Adjust the lower support of the holder. It is designed to be adjustable (0.65 inches) to prevent obstruction of side buttons and charging ports for most phone models. |
6. Specifications
- Brand: VANMASS
- Model Number: CTEZ11
- Compatible Devices: Smartphones (4" to 7" screen size, compatible with most cases up to 0.6" thick)
- Mounting Type: Air Vent (Steel-Hook design)
- Material: PC+ABS, Aviation Material "PTFE" (for back panel), Silicone
- Color: Red (as per current product variant)
- Item Weight: 6.4 ounces
- Package Dimensions: 6.26 x 3.15 x 2.32 inches
- Temperature Endurance: -40°C to 90°C
- Special Features: Adjustable lower support, 360° rotation, One-second quick release
7. Warranty and Support
VANMASS is committed to providing high-quality products and excellent customer service. Your VANMASS Car Phone Holder Mount is backed by a comprehensive warranty and dedicated support.
- Warranty: Enjoy 36 months of hassle-free support. For specific warranty details and claims, please refer to the product packaging or contact VANMASS customer service directly.
- Customer Support: If you have any questions, concerns, or require assistance with your product, please do not hesitate to contact our support team. We proudly support every unit sold and are here to help.
- Contact Information: Refer to the "READ ME FIRST!" card included with your product or visit the official VANMASS website for the most up-to-date contact details.



