Use or Device Manager to find the VID/PID :
If you’re comfortable, Snappy Driver Installer Origin (SDIO) can automatically detect and install the correct Realtek driver for the Essager adapter. This is a 10 GB download but is offline-capable and safe. Essager Bluetooth 5.1 Driver
| Feature | Essager Bluetooth 5.1 | TP-Link UB500 | ASUS BT500 | | --- | --- | --- | --- | | | Realtek RTL8761B | Realtek RTL8761B | Realtek RTL8761B | | Driver Ease | Hardest (no own site) | Easy (official site) | Easy (official site) | | Price (approx.) | $6–9 | $12–15 | $18–22 | | Max range | 20m (open space) | 20m | 20m | | Multi-device | 7 devices | 7 devices | 7 devices | | Warranty | 12 months | 24 months | 12 months | Use or Device Manager to find the VID/PID