Combination WiFi + Bluetooth 4.0 USB Adapter : ID 4827 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: Plugable USB Bluetooth 4.0 Low Energy Micro Adapter (Compatible with Windows 11, 10, 8.x, 7, Classic Bluetooth, Gamepad, and Stereo Headset Compatible) : Electronics
Mini USB Bluetooth 4.0 Dongle - 50m - Bluetooth & Telecom Adapters | StarTech.com
USB Bluetooth 4.0 Adapter - 10m Class 2 - Bluetooth & Telecom Adapters | StarTech.com
Reiyin Usb Audio Transmitter Adapter Bluetooth 5.0 For Pc Aptx Low Latency Sound Card - Wireless Adapter - AliExpress
Amazon.com: ZEXMTE Bluetooth Adapter for PC 5.1 USB Bluetooth Dongle 5.1 EDR, Bluetooth Adapter for PC Windows 11/10/8/7-Bluetooth USB Adapter for Computer/Laptop-2 Pack : Electronics
Asus USB BT400 Bluetooth 4.0 Bluetooth Adapter for Desktop ComputerNotebook USB 3 Mbits 2.48 GHz ISM 32.8 ft Indoor Range External - Office Depot
4 IN 1 USB Bluetooth 5.0 Adapter Wireless Audio Transmitter Receiver Dual-signal One-key Switching with 3.5mm Aux-in - Walmart.com
Cheap USB Bluetooth 5.0 Wireless Receiver Transmitter USB Adapter For TV/PC/Car | Joom
Blue Tooth Adapter for PC, USB Mini Blue Tooth 5.0 EDR Dongle for Computer Desktop Wireless Transfer for Laptop Blue Tooth Headphones Headset Speakers Keyboard Mouse Printer Windows 11-7 Bluetooth Adapters - Newegg.com
Amazon.com: ZEXMTE Bluetooth Adapter for PC, USB Bluetooth Adapter 5.0 Bluetooth Dongle Bluetooth Receiver,Bluetooth Adapter for PC Windows 10/8/7 for Desktop, Laptop, Mouse, Keyboard, Headsets, Speakers : Electronics
Amazon.com: Cable Matters USB Bluetooth Adapter (USB to Bluetooth 4.0 Adapter) for Windows 10, 8.1, 8, 7, Vista, XP, Raspberry Pi in 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