device that does not require manual driver installation. If your system does not automatically recognize it, or you are using an older OS, follow the guide below to get it running. 1. Compatibility & Initial Setup Operating Systems : Supports Windows 11, 10, and 8.1 out of the box. Unsupported Systems

Supports a transmission distance of up to 20 meters (66 feet) in unobstructed environments.

Before plugging in the adapter, it is highly recommended to disable the built-in Bluetooth on your PC (if any) via Device Manager to prevent conflicts. Plug in the Adapter: Insert the UGREEN 5.3 adapter Go to product viewer dialog for this item. into a USB port.

, which distinguishes it from previous Realtek-based 5.0 versions. Microsoft Learn 1. Official Driver & Installation

In the rapidly evolving world of wireless connectivity, Bluetooth 5.3 represents the latest standard in speed, range, and energy efficiency. UGREEN, a globally respected brand for peripherals and adapters, offers a powerful Bluetooth 5.3 USB dongle that promises to breathe new life into older PCs and laptops. However, a device is only as good as its software. The phrase is one of the most common searches for users who have just purchased this adapter. Why? Because the built-in drivers from Windows or macOS often fail to unlock the adapter’s full potential—or simply don't work at all.