The ORICO BTA-403 Bluetooth 4.0 Adapter is a compact USB dongle designed to add wireless connectivity to desktops and laptops. It uses the CSR8510 controller and typically requires the CSR Harmony Wireless Software Stack for full functionality on older operating systems. Official Driver Download
For the most reliable performance, download drivers directly from the ORICO Software Download page.
Driver Name: Driver of ORICO BTA-401/402/403/405/406/407/409 Bluetooth 4.0. Supported Systems: Windows XP, Vista, 7, 8, and 10.
File Format: Usually provided as a ZIP or RAR file containing the setup.exe. Installation Guide 2 - ORICO - USB Storage Adapters, Chargers, Hubs, and More orico bta-403 driver
The Orico BTA-403 is a USB Bluetooth 4.0 adapter. Its main selling points are its compact size (it barely protrudes from the USB port) and backward compatibility with older Bluetooth versions (2.1, 2.0, 1.1).
Key Specifications:
To understand the driver, you must understand the hardware. The BTA-403 looks like a standard USB flash drive, but it is a translator. It speaks the rigid, wired language of USB (Universal Serial Bus) and translates it into the chaotic, bouncing language of Bluetooth radio waves. The ORICO BTA-403 Bluetooth 4
Inside that plastic shell, the BTA-403 is almost never made by Orico. Like many peripheral brands, Orico is an assembler. Under the hood, this device is powered by a chipset usually manufactured by Realtek or Broadcom—often the Realtek RTL8761B chip. It is a brilliant piece of engineering no larger than a fingernail, capable of blasting data at 5Mbps over the 2.4GHz spectrum.
But silicon is dead without software. This is where the driver enters the story.
Rating: ⭐⭐☆☆☆ (2/5) – primarily due to Windows driver complications Bluetooth Standard: V4
The ORICO BTA-403 is a piece of excellent, cheap hardware ($6–$10) that is ruined by terrible driver support. The physical adapter is reliable, power-efficient, and offers great range. However, the driver installation process is a nightmare for casual users.
If you want plug-and-play: Buy an adapter that explicitly says "Windows 10/11 Native Driver" or a TP-Link UB400 (which uses a different chipset with better MS support).
If you already own the BTA-403: Do not throw it away. Follow our guide, use the CSR Generic Driver, and you will have a perfect Bluetooth 4.0 connection for your DualShock 4 controller, AirPods, or wireless mouse.
You plug in the adapter. You hear the USB chime. You open Bluetooth settings... and nothing. Or you see "Unknown USB Device (Device Descriptor Request Failed)." Here is why:
The solution is not to find a random "ORICO BTA-403 driver" on a shady forum. The solution is to use a universal driver that works with the Broadcom chipset.
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The ORICO BTA-403 Bluetooth 4.0 Adapter is a compact USB dongle designed to add wireless connectivity to desktops and laptops. It uses the CSR8510 controller and typically requires the CSR Harmony Wireless Software Stack for full functionality on older operating systems. Official Driver Download
For the most reliable performance, download drivers directly from the ORICO Software Download page.
Driver Name: Driver of ORICO BTA-401/402/403/405/406/407/409 Bluetooth 4.0. Supported Systems: Windows XP, Vista, 7, 8, and 10.
File Format: Usually provided as a ZIP or RAR file containing the setup.exe. Installation Guide 2 - ORICO - USB Storage Adapters, Chargers, Hubs, and More
The Orico BTA-403 is a USB Bluetooth 4.0 adapter. Its main selling points are its compact size (it barely protrudes from the USB port) and backward compatibility with older Bluetooth versions (2.1, 2.0, 1.1).
Key Specifications:
To understand the driver, you must understand the hardware. The BTA-403 looks like a standard USB flash drive, but it is a translator. It speaks the rigid, wired language of USB (Universal Serial Bus) and translates it into the chaotic, bouncing language of Bluetooth radio waves.
Inside that plastic shell, the BTA-403 is almost never made by Orico. Like many peripheral brands, Orico is an assembler. Under the hood, this device is powered by a chipset usually manufactured by Realtek or Broadcom—often the Realtek RTL8761B chip. It is a brilliant piece of engineering no larger than a fingernail, capable of blasting data at 5Mbps over the 2.4GHz spectrum.
But silicon is dead without software. This is where the driver enters the story.
Rating: ⭐⭐☆☆☆ (2/5) – primarily due to Windows driver complications
The ORICO BTA-403 is a piece of excellent, cheap hardware ($6–$10) that is ruined by terrible driver support. The physical adapter is reliable, power-efficient, and offers great range. However, the driver installation process is a nightmare for casual users.
If you want plug-and-play: Buy an adapter that explicitly says "Windows 10/11 Native Driver" or a TP-Link UB400 (which uses a different chipset with better MS support).
If you already own the BTA-403: Do not throw it away. Follow our guide, use the CSR Generic Driver, and you will have a perfect Bluetooth 4.0 connection for your DualShock 4 controller, AirPods, or wireless mouse.
You plug in the adapter. You hear the USB chime. You open Bluetooth settings... and nothing. Or you see "Unknown USB Device (Device Descriptor Request Failed)." Here is why:
The solution is not to find a random "ORICO BTA-403 driver" on a shady forum. The solution is to use a universal driver that works with the Broadcom chipset.
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