Bluetooth operates on 2.4GHz. If the BR21 is plugged into a USB 3.0 port directly next to a data-heavy drive, it may lag. Use a USB 2.0 port or an extension cable.
Go to Sound Settings > Properties and turn off "All enhancements" to reduce processing lag. jieli br21 driver extra quality
The Jieli BR21 is a highly versatile Bluetooth SoC (System on a Chip) manufactured by Zhuhai Jieli Technology. It is the powerhouse behind millions of affordable: USB Bluetooth dongles Wireless audio receivers Bluetooth-to-Aux adapters Portable speakers Bluetooth operates on 2
Here is a comprehensive guide to understanding, finding, and installing the Jieli BR21 driver to ensure peak performance. What is the Jieli BR21 Chipset? Go to Sound Settings > Properties and turn
Small Jieli dongles have tiny internal antennas; keep the path to your headphones clear.