Mini USB Bluetooth 2.1 Adapter - Class 1 - Bluetooth & Telecom

StarTech.com Bluetooth Adapter - Mini USB Adapter - Bluetooth 2.1 - Class 1 EDR - Bluetooth Receiver (USBBT1EDR2) : Everything Else

Portable Mini Usb Bluetooth 2.1 Edr Wireless Audio Receiver Adapter Dongle For Car Smartphone A2dp Stereo Usb Plug Bluetooth - Wireless Adapter - AliExpress

USB Bluetooth 5.0 Adapter/Dongle for PC - Bluetooth & Telecom Adapters, Networking IO Products

USB Bluetooth Adapter for connecting RS232 devices via Bluetooth

Wireless Adapter 100M Long Range Audio USB Receiver Transmitter 3Mbps Bluetooth 5.3 Dongle for Windows 7/win8.1/win10/11 - AliExpress

Bluetooth V2.1 RS232 serial Converter, DIP switch setting, Internal antenna

Bluetooth & Telecom Adapters, Networking IO Products

The USBBT1EDR2 USB to Class 1 Bluetooth Adapter with EDR is a micro-sized adapter that adds Bluetooth capabilities to a computer through an available

Mini USB Bluetooth 2.1 Adapter - Class 1 EDR Wireless Network Adapter

Wireless Audio Transmitter Receiver Bluetooth 5.3 Adapter USB Dongle with Antenna for Windows 10/11 Mouse Keyboard Speaker - AliExpress