CSR 4.0 USB 5.0 Bluetooth Adapter User Manual

1. Product Overview

Thank you for choosing our product! This USB Bluetooth adapter is designed to add Bluetooth functionality to your computer, enabling wireless connectivity for various devices. It features dual-mode transmission technology for versatile use in home, office, and other environments. Please read this manual carefully before operation and keep it for future reference to ensure proper and safe use.

Image promoting the V5 Bluetooth 5.0 adapter, stating it enables Bluetooth function for computers, with icons for wireless music, file sharing, and 3Mbps speed. — The V5 Bluetooth 5.0 Adapter enables Bluetooth functionality for your computer, supporting wireless music, file sharing, and data transfer speeds up to 3Mbps.

2. Specifications

Feature	Specification
Bluetooth Version	Bluetooth 5.4 (V 5.0 protocol)
Product Function	Dual mode transmission V5.0 technology
Interface	USB2.0
Transmission Speed	3Mbps
Transmit Power	+10dBM (Class II)
Sensitivity	-90dBm 0.1%
Antenna Type	Internal
Supported Systems	Windows XP / Vista / 7 / 8 / 8.1 / 10
Packing Size	132 x 102 x 20 mm (5.20 x 4.01 x 0.79 inches)
Weight	16g

Dimensions of the USB Bluetooth 5.0 adapter: 23mm length, 14.5mm width, 5.3mm thickness. — Physical dimensions of the Bluetooth adapter.

3. Setup & Installation

3.1 Unpacking and Inspection

Open the package and carefully check that all components are present and undamaged.
If any parts are missing or damaged, please contact customer support immediately.

3.2 Installation

Locate an available USB port on your desktop or laptop computer.
Insert the Bluetooth adapter firmly into the USB port. The device is designed for "Plug & Play" connectivity.
Your operating system (Windows XP / Vista / 7 / 8 / 8.1 / 10) should automatically detect and install the necessary drivers. If drivers do not install automatically, please refer to the "User Tips" section for guidance.

USB Bluetooth 5.0 adapter plugged into a laptop, highlighting plug-and-play connectivity and support for Windows XP/Vista/7/8/8.1/10. — Plug the adapter into an available USB port on your computer.

4. Operation

Once the adapter is installed and recognized by your computer, you can begin connecting Bluetooth-enabled devices.

Ensure the Bluetooth device you wish to connect (e.g., headset, speaker, printer, gamepad) is in pairing mode.
On your computer, navigate to the Bluetooth settings (typically found in the Control Panel or Settings app).
Search for new Bluetooth devices.
Select your device from the list and follow any on-screen prompts to complete the pairing process.

Diagram showing the USB Bluetooth 5.0 adapter enabling connectivity between a computer and various Bluetooth devices including headphones, smartphones, tablets, printers, gamepads, and speakers. — The adapter facilitates wireless connections between your computer and a wide range of Bluetooth devices.

Laptop with USB Bluetooth 5.0 adapter wirelessly connected to a Bluetooth printer for smooth and efficient printing. — Example of a laptop using the adapter to connect to a Bluetooth printer.

5. Maintenance

Clean the product with a soft, dry cloth.
Avoid using corrosive cleaners or solvents, as these can damage the device.
If the adapter will not be in use for an extended period, it is recommended to remove it from the USB port.

6. Troubleshooting

Problem: Product does not start or is not recognized.

Check that the adapter is fully inserted into a working USB port.
Try a different USB port on your computer.
Ensure your computer's USB drivers are up to date.

Problem: Bluetooth functions are not working properly.

Restart your computer.
Ensure the Bluetooth service is enabled in your operating system settings.
Verify that the drivers for the Bluetooth adapter are correctly installed. You may need to manually install them if automatic installation failed (see User Tips).
Ensure the Bluetooth device you are trying to connect is within range and in pairing mode.

Other issues:

If you encounter other issues not covered here, please contact customer service or your dealer for further assistance.

7. User Tips

Driver Installation: While the adapter is generally plug-and-play for supported Windows versions, some systems might require manual driver installation. If the adapter is not recognized, check your computer's Device Manager for unknown devices and search online for "CSR 4.0 Bluetooth driver" or "VODOOL Bluetooth adapter driver" to download and install the appropriate software.
Compatibility: This adapter is designed for Windows operating systems (XP/Vista/7/8/8.1/10). Compatibility with other operating systems like macOS or Linux is not guaranteed and may require specific drivers or configurations not covered in this manual.
Interference: To ensure optimal performance, keep the adapter away from sources of strong electromagnetic interference, such as Wi-Fi routers, microwave ovens, or other wireless devices.

8. Warranty & Support

This product comes with a 12-month manufacturer's limited warranty for defective items, excluding items damaged or misused after receipt. Accessories typically come with a 3-month warranty.

Defective items must be reported and returned within the warranty period, preferably in their original packaging.
Please provide your order number and a clear description of the defect when reporting an issue.
For further assistance or to report a warranty claim, please contact customer service.

A detailed user manual in PDF format is available for download: User Manual (PDF)

Manufacturer Information:

Manufacturer: Shenzhen Mingyi Communications Trading Co., Ltd.
Room 416, E-commerce Office Building, No. 17 Huangjin North Road, Nanling Village Community, Nanwan Subdistrict, Longgang District, Shenzhen, Guangdong, China.

EU Authorized Representative: VALHALLA TAXE
RUE GENERAL DE REFFYE EGD, 88000 EPINAL 913 439 188 R.C.S. Epinal

9. Safety Information

⚠ Warning:

To avoid risk of injury, electric shock, or fire, do not disassemble, modify, or repair this product yourself.
Keep away from water, heat sources, and direct sunlight.
Use only as intended and keep out of reach of children unless supervised.
If you notice unusual smells, smoke, or malfunction, stop use immediately and contact customer service.

CE FC RoHS symbols and age 14+ years, Made in China. — Product certifications and age recommendation.

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VODOOL CSR 4.0 USB 5.0 Bluetooth Adapter