Uninstall the current CSR Harmony software, restart, and reinstall the driver. Product Specifications: Orico BTA-403 Chipset: CSR8510 Bluetooth Version: 4.0 Interface: USB 2.0 Range: 0 - 20 meters (approx. 65 feet) Speed: 3 Mbps OS Support: Windows XP / Vista / 7 / 8 / 10 / 11 The Orico BTA-403
Open Device Manager (right-click the Start button), locate the malfunctioning Bluetooth device under the "Bluetooth" section, right-click it, and select Uninstall device . Unplug the adapter, restart your computer, and plug it back into a different USB port. Issue 2: Audio Stuttering or Poor Sound Quality
Before downloading any files, it is important to know your operating system's capabilities.
The is unhelpful – the BTA-403 page often has broken links or outdated drivers. The actual working driver is the CSR Harmony driver or Generic Bluetooth Driver from the chipset vendor .
These operating systems feature robust plug-and-play architecture. When you plug the ORICO BTA-403 into a USB port, Windows will usually automatically detect the CSR8510 A10 chip inside the adapter and install a generic Microsoft Bluetooth driver. For basic tasks like connecting a mouse or keyboard, this automatic driver is completely sufficient.
A user on an online forum noted that the BTA‑403 does not work with Logitech K380 keyboards because that keyboard uses Bluetooth 3.0, not 4.0, and the adapter’s implementation of older standards is incomplete . Before purchasing, verify that your device is explicitly listed as compatible.
Some users have reported that after installing the CSR driver, opening a network shared folder causes Windows Explorer to crash . This is a known bug related to a specific DLL file in the CSR Harmony suite.
Depending on your operating system, your need for a manual driver installation will vary: Windows 10 and Windows 11 Usually optional.
Driver installations do not always go smoothly. Below are verified solutions to the most common roadblocks.
There are reputable free tools like "Driver Easy" or "Snappy Driver Installer" that can scan your hardware ID and find the exact driver for the specific chipset inside your BTA-403. This is often the most successful method if Windows Update fails.
To prevent malware or compatibility issues, always download the driver from official sources. Follow these steps to complete the installation: Step 1: Download the Driver Visit the official ORICO website. Navigate to the or Download Center section. Search for BTA-403 or look for the CSR Bluetooth Driver .
Up to 20 meters (65 feet) in open spaces Interface: USB 2.0 Type-A
Click to save the compressed driver file (usually a .zip or .rar archive) to your computer. Option B: The Official CSR Harmony Software Stack
If the official driver does not meet your needs or if you are using a non‑Windows operating system, several community projects can help.