Introduction
Thank you for choosing the JOYROOM JR-ZS248 Wireless Car Charger Holder. This device combines a secure phone mount with convenient wireless charging capabilities, designed for use in your vehicle's CD slot. Please read this manual carefully before use to ensure proper installation and operation.
Package Contents
- 1 x JOYROOM JR-ZS248 Wireless Car Charger Holder
- 1 x USB Charging Cable (Adapter not included)
Product Overview
The JOYROOM JR-ZS248 is an automatic clamping wireless car charger holder. It features a self-aligning coil for maximum charging efficiency and supports 15W fast wireless charging. The holder is designed for stability and ease of use, ensuring your phone is securely held and charged during your drive.

Image: Product packaging highlighting key features such as 15W fast charging, Qi certification, and self-aligning coil technology.
Setup and Installation
- Insert into CD Slot: Gently insert the CD slot mount into your car's CD player opening. Ensure it is firmly seated.
- Secure the Mount: Tighten the knob on the mount to expand the CD slot clip, securing the holder in place. Do not overtighten.
- Connect Power: Connect the provided USB charging cable to the holder's Type-C input port and plug the other end into a car charger adapter (not included). For optimal fast charging, use a Quick Charge (QC) 3.0 compatible car charger.
- Adjust Viewing Angle: Adjust the holder's angle for optimal viewing and accessibility.

Image: The car charger holder with a smartphone, demonstrating its secure placement and adjustable viewing angle. Note: This model is specifically for CD slot mounting, despite the image showing an air vent mount.
Operating Instructions
- Placing Your Phone: With the holder powered on, the clamping arms will automatically open. Place your Qi-compatible smartphone into the holder. The arms will automatically close and secure your phone.
- Wireless Charging: Once your phone is securely placed, wireless charging will begin automatically. The holder features intelligent identification to deliver optimal charging efficiency.
- Removing Your Phone: To remove your phone, touch the sensor button located on the side or bottom of the holder (refer to product diagram if available). The clamping arms will open, allowing you to safely retrieve your device.

Image: Visual guide showing how to place and remove a phone, and the wireless charging indication on the phone screen.
Maintenance
- Keep the device clean by wiping it with a soft, dry cloth.
- Avoid exposing the holder to extreme temperatures, direct sunlight for prolonged periods, or moisture.
- Do not use abrasive cleaners or solvents.
- Ensure the charging port is free from dust and debris.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Phone not charging wirelessly. | 1. Phone not Qi-compatible. 2. Phone not aligned correctly. 3. Thick phone case. 4. Insufficient power input. | 1. Ensure your phone supports Qi wireless charging. 2. Reposition the phone to ensure proper alignment with the charging coil. 3. Remove thick phone cases (over 4mm). 4. Use a QC 3.0 compatible car charger adapter. |
| Clamping arms not opening/closing. | 1. No power. 2. Obstruction. | 1. Check power connection to the holder. 2. Ensure no foreign objects are blocking the arms. |
| Holder is loose in CD slot. | Mounting knob not tightened. | Tighten the knob on the CD slot mount to secure it. |
Specifications
- Brand: JOYROOM
- Model: JR-ZS248
- Input: 5V=2A, 9V=2A, 12V=1.5A (Requires QC 3.0 car charger for fast charging)
- Output Power: 5W / 7.5W / 10W / 15W (Max)
- Connector Type: USB Type-C (for power input)
- Compatible Devices: Mobile phones (4.5-6.7 inches)
- Color: Black
- Dimensions: Approximately 15 x 8.5 x 8 cm
- Weight: Approximately 200 grams
- Special Features: Self-aligning coil, intelligent identification, anti-shake mechanism
Safety Information
- Do not disassemble or modify the device.
- Keep away from water, fire, and high temperatures.
- Avoid dropping or subjecting the device to strong impacts.
- Do not use if the device is damaged.
- Ensure proper ventilation around the device during use.
Warranty and Support
This product comes with a standard manufacturer's warranty. For warranty claims, technical support, or further assistance, please contact your retailer or the JOYROOM customer service directly. Keep your purchase receipt as proof of purchase.





