If you have purchased a UGREEN Bluetooth 5.3 USB adapter (common models include the , CM591 , or the generic "long-range" adapters), getting it running usually requires a specific driver. Windows 10 and 11 often try to install a generic driver automatically, but this frequently results in errors like "Bluetooth Radio cannot start" or the device showing up as an "Unknown Device."
Can connect up to 5–7 different types of devices simultaneously, such as mice, keyboards, and headphones.
rather than 3.0 can sometimes reduce signal interference and improve stability. Range & Obstacles: The 5.3 adapter typically supports up to
simultaneously, such as a mouse, keyboard, phone, and game controller. Compatibility: OS Support: Optimized for Windows 11, 10, and 8.1 with driver-free "Plug & Play" functionality. Exclusions:
: Utilizes Bluetooth 5.3 + EDR technology for faster data transmission and lower power consumption compared to older generations. Long-Range Communication : Provides stable connectivity up to 10–20 meters