Hideez USB Bluetooth Adapter for Windows, macOS, Linux, Raspberry Pi
Kestrel LiNK Wireless Dongle for PC or Mac, Kestrel 5 Series
FrSky protocol USB WIreless dongle for Simulatior
Micro USB Bluetooth Adapter CSR 5.0 Dual Mode Wireless Adaptor USB Dongle Bluetooth Computer Receiver Transmitters(2 PACK) - Walmart.com
Amazon.com: EPOS Enterprise BTD 800 USB | USB-A Bluetooth dongle|Connect Any EPOS Bluetooth Audio Devices Your PC/Mac with a Rapid Bluetooth Connection via This USB-A Dongle, Black : Electronics
nRF52840 USB Key with TinyUF2 Bootloader - Bluetooth Low Energy [MDBT50Q-RX] : ID 5199 : $15.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Mini USB Bluetooth 4.0 Dongle - 50m - Bluetooth & Telecom Adapters | StarTech.com