TP-Link UB4A User manual

REV1.0.0 1910012508
User Guide
Bluetooth 4.0 Nano USB Adapter

Contents
About This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Chapter 1. Get to Know About Your Adapter . . . . . . . . . . . . . . . . . . . . .2
Chapter 2. Connect to a Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Chapter 3. Windows XP/7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
3. 1. Install Bluetooth Adapter’s Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3. 2. Pair With Your Bluetooth Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
3. 3. Uninstall Bluetooth Adapter’s Driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Chapter 4. Windows 8/8.1/10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Appendix: Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

1
About This Guide
This guide is a complement to Quick Installation Guide. The Quick Installation
Guide instructs you on quick installation, and this guide provides the product
overview and detailed instructions for each steps.
When using this guide, please notice that features available of the adapter may
vary by model and software version. The adapter’s availability may also vary by
region or ISP. All images, steps, and descriptions in this guide are only examples
and may not reflect your actual experience.
Conventions
In this guide, the following conventions are used:
Convention Description
Teal Underline Hyperlinks are in teal italic. You can click to redirect to a website or a
specific section.
Teal Contents to be emphasized and texts on the web page are in teal, including
the menus, items, buttons, etc.
Note: Ignoring this type of note might result in a malfunction or damage to the
device.
Tips: Indicates important information that helps you make better use of your
device.
*Maximum wireless signal rates are the physical rates derived from IEEE Standard 802.11 specifications.
Actual wireless data throughput and wireless coverage, and quantity of connected devices are not
guaranteed and will vary as a result of network conditions, AP limitations, and environmental factors,
including building materials, obstacles, volume and density of traffic, and AP location.
More Info
• The latest software and utility can be found at https://www.tp-link.com/
download-center.
• The Quick Installation Guide (QIG) can be found where you find this guide or
inside the package of the product.
• Specifications can be found on the product page at https://www.tp-link.com.
• Our Technical Support contact information can be found at the Contact
Technical Support page at https://www.tp-link.com/support.

Chapter 1
Get to Know About Your
Adapter
This chapter introduces what the adapter can do.

3
Chapter 1 Get to Know about Your Adapter
The Bluetooth USB adapter, mainly used for PCs without Bluetooth function. It
provides new and advanced Bluetooth 4.0 and enables wireless connection with
a wide range of devices such as a Bluetooth headset, a Bluetooth speaker, a
Bluetooth mouse or a mobile client, using for playing music, mouse and keyboard
control, data transmission, etc.
• Applies the latest Bluetooth 4.0 with low energy (BLE) technology and it is
backward compatible with Bluetooth V3.0/2.1/2.0/1.1
• Enable wireless connection with Bluetooth-enabled devices
• Plug and Play for Win 8, Win 8.1, and Win 10
• Ultra-small for convenient portability with reliable high performance
• Supports Windows 10/8.1/8/7/XP

Chapter 2
Connect to a Computer
This chapter introduces how to connect the adapter to your computer.

5
Chapter 2 Connect to a Computer
Before you start using your adapter, insert the adapter into a USB port on your
computer directly.
* The image is for demonstration only.
After connecting your adapter to the computer, please follow the instructions
in the appropriate chapter for your operating system: Windows XP/7, Windows
8/8.1/10.
Note:
Make sure there are no other Bluetooth devices on the PC. If there are other Bluetooth devices, disable
all Bluetooth devices (both built-in and third party) in Device Manager on your computer, then insert the
adapter and try again. To go to Device Manager: Right-click My Computer, select Manage, go to Device
Manager and disable all existing Bluetooth devices.

Chapter 3
Windows XP/7
This chapter introduces how to install your adapter’s driver, pair with your
Bluetooth devices and uninstall your driver in Windows XP and Windows 7. The
adapter is equipped with a Driver Setup Wizard, which can guide you through
the installation process.
This chapter includes the following sections:
• Install Bluetooth Adapter’s Driver
• Pair With Your Bluetooth Devices
• Uninstall Bluetooth Adapter’s Driver

7
Chapter 3 Windows XP/7
Here we take the steps in Windows 7 as an example - the steps may vary slightly
for Windows XP. You need to install the Bluetooth adapter’s driver before you
enjoying using the adapter.
3. 1. Install Bluetooth Adapter’s Driver
1. Download the driver at https://www.tp-link.com/download-center.
2. Unzip the folder and start the installation by clicking Setup.exe.
3. Select the language and click OK.
4. When the welcome window appears, click Next.

8
Chapter 3 Windows XP/7
5. Confirm that you agree with the terms of the License Agreement and click
Next.
6. Select the installation folder and click Next. It’s recommended to use the
default one.