Ugreen Bluetooth 5.0 Usb Adapter: Cm390 Driver [work]

: The Ugreen Bluetooth 5.0 USB Adapter CM390 driver is recommended for users who need to add Bluetooth 5.0 capabilities to their computers or laptops. It is particularly suitable for users who want a compact, plug-and-play adapter with a stable connection and fast data transfer speeds.

Locate the "Generic Bluetooth Adapter," right-click it, and select Update driver ugreen bluetooth 5.0 usb adapter cm390 driver

Update the driver. Older generic drivers have high latency. The official Realtek driver reduces HID polling latency. Also, ensure line-of-sight—the CM390 is small, so plugging it into the back of a metal desktop tower kills the signal. Use a front port or an extension cable. : The Ugreen Bluetooth 5

To troubleshoot these issues, users can try restarting the adapter and their Bluetooth devices, updating the drivers, or moving the adapter to a different USB port. Older generic drivers have high latency