Realtek official Bluetooth driver (generic):
Alternative – driver via Microsoft Update Catalog:
Since UGREEN uses Realtek chips, you can also use the chip maker’s driver:
For the vast majority of modern systems (Windows 10 and Windows 11), the UGREEN Bluetooth 5.3 adapter is Plug and Play.
Bluetooth 5.3 is a significant upgrade over 4.0, offering better range and stability, but the driver is the bridge that allows these features to work.
UGreen does not manufacture Bluetooth chips. They buy chips from Realtek (RTL8761B, RTL8852BE) or Actions (ATBM603x). Microsoft includes generic drivers for these chips inside Windows Update.
Warning: Do not download drivers from random “driver download” websites. They often bundle malware. Only use Microsoft Update or the links below.
Device Identification:
Cause: Windows power management is shutting off the USB port to save energy.
Solution: