Introduction
Thank you for choosing the Joyroom JR-ZS330 Dashboard Car Phone Mount Holder. This manual provides essential information for the proper installation, operation, and maintenance of your device. Please read it carefully before use to ensure optimal performance and safety.

Figure 1: Joyroom JR-ZS330 Car Phone Mount Holder
Key Features
- Automatic Spring-Lock Design: Compatible with mobile phones with a thickness of 6-16mm.
- Adjustable Viewing Angles: Features 360° rotation and 30° vertical angle adjustment to minimize reflection and provide the best viewing angle.
- Compact and Exquisite Design: Small 3-inch diameter base that does not obstruct your line of sight.
- One-Handed Operation: Designed for easy and convenient phone placement and removal.
- Strong Adhesion: Nano gel base ensures stability on flat surfaces, even during bumps or turns.
- Washable & Reusable Base: The nano gel base can be washed and reused without leaving adhesive marks.
- Cable Management: Integrated buckle design for convenient charging cable organization.

Figure 2: Compact and Exquisite Design with 3-inch Diameter Base
Setup Instructions
- Choose a Flat Surface: Select a clean, flat area on your car's dashboard for installation. This mount is not suitable for curved or excessively tilted surfaces.
- Clean the Surface: Thoroughly clean the chosen surface to remove any dust, dirt, or oils. Use a clean cloth for this step.
- Position the Mount: Place the Joyroom JR-ZS330 mount on the cleaned flat surface.
- Secure the Mount: Press down firmly on the mount to ensure strong adhesion.
- Allow Adhesion to Set: For optimal security, wait for at least 6 hours after installation before placing a phone in the mount.

Figure 3: Easy Installation Steps
Important Considerations:
- Ensure the dashboard surface is flat. This product is not designed for curved surfaces.
- Avoid installing on dashboards with excessive tilt angles or stained surfaces, as this may compromise adhesion.

Figure 4: Surface Compatibility Guidelines
Operating Instructions
- Placing Your Phone: Gently press the phone against the spring-loaded arms of the holder. The automatic spring-lock design will secure your phone in place.
- Adjusting Viewing Angle:
- Rotation: The base allows for 360° free rotation. Adjust the phone to your preferred horizontal or vertical orientation.
- Vertical Adjustment: The holder also offers a 30° vertical adjustment to help avoid light reflection and achieve the best viewing angle.
- Charging Cable Management: Utilize the integrated cable management buckle to keep your charging cable tidy and prevent tangling.

Figure 5: 360° Rotation and 30° Vertical Adjustment

Figure 6: Cable Management Buckle Design
Phone Compatibility:
- The holder is compatible with phones ranging from 4.7 to 7 inches.
- The adjustable spring design accommodates phone thicknesses between 6-16mm, including most thick phone cases (e.g., popsocket, silicone, MagSafe, OtterBox). Note: May not be compatible with battery cases.
- The U-shaped design is compatible with pop grips.

Figure 7: Wide Compatibility for Phones and Thick Cases
Video 1: Product Demonstration and Installation Guide
Maintenance
- Cleaning the Nano Gel Base: If the adhesion of the nano gel base weakens over time due to dust or dirt, simply wash it with water. Allow it to air dry completely before re-applying. The base is designed to be washable and reusable without leaving glue marks.
- General Cleaning: Wipe the mount with a soft, damp cloth to remove any surface dust or smudges. Avoid using harsh chemicals or abrasive materials.

Figure 8: Washable and Reusable Nano Gel Base
Troubleshooting
- Issue: Mount is not stable or falls off.
Possible Causes & Solutions:
- Surface is not flat: Ensure the mount is installed on a completely flat surface. It is not suitable for curved or excessively tilted dashboards.
- Surface was not clean: Re-clean the dashboard surface thoroughly to remove all dust, dirt, and oils before re-applying the mount.
- Insufficient setting time: Ensure you wait at least 6 hours after installation before using the mount to allow the adhesive to fully set.
- Nano gel base is dirty: Wash the nano gel base with water and let it air dry completely to restore its adhesion.
- Issue: Phone does not fit securely in the holder.
Possible Causes & Solutions:
- Phone size is outside compatibility range: Verify your phone's screen size is between 4.7 and 7 inches.
- Phone thickness exceeds limits: The holder accommodates phone thicknesses between 6-16mm. If your phone with its case is thicker, it may not fit. Note that battery cases might exceed this limit.
Specifications
| Attribute | Detail |
|---|---|
| Brand Name | Joyroom |
| Model Number | JR-ZS330 |
| Type | Car Holder |
| Material | ABS+PC |
| Compatible Brand | Universal |
| Phone Size Compatibility | 4.7 - 7 inches |
| Phone Thickness Compatibility | 6 - 16 mm |
| Rotation | 360° |
| Vertical Adjustment | 30° |
| Has Charger | No |
| Has Speaker | No |
| Product Dimensions (L x W x H) | 11 cm x 10 cm x 5 cm (approx.) |
| Product Weight | 0.17 kg (approx.) |
User Tips
- The mount supports both vertical and horizontal phone orientations due to its 360° rotation feature.
- It is designed to accommodate phones even with thick cases, thanks to its adjustable spring design (6-16mm thickness).
- While compatible with most phones (4.7-7 inches), larger devices like an iPad Mini are generally not supported.
Warranty and Support
For any warranty claims or technical support, please contact the Joyroom Official Store or your point of purchase. Keep your purchase receipt as proof of purchase.





