Amazon.com: Insignia - Bluetooth 4.0 USB Adapter - Black : Electronics
Bluetooth USB Adapter – PageFlip
Amazon.com: Kinivo BTD-400 USB Bluetooth Adapter for PC (Bluetooth 4.0, Low Energy, Compatible with Windows, Raspberry Pi, Linux) : Electronics
Best Buy: Insignia™ Bluetooth 4.0 USB Adapter for Laptops and Desktops Compatible with Windows 10 Black NS-PCY5BMA2
ASUS Bluetooth 4.0 USB Adapter USB-BT400 B&H Photo Video
Wireless USB WI-FI Adapter Bluetooth 4.0 150Mbps 2.4Ghz Mini WiFi Antenna Computer wi-fi Network Card Receiver 802.11b/n/g Terow - AliExpress
Technoethical Nano Bluetooth 4.0 USB Adapter for GNU/Linux - Technoethical
US Bluetooth 4.0 Headset Dongle USB Adapter Receiver Black for Playstation 4 PS4 | eBay
StarTech.com Mini USB Bluetooth 4.0 Adapter 40 Range - Office Depot
Long-Range USB Bluetooth 4.0 Micro Adapter – SONNETTECH
Mini Bluetooth 4.0 (Class 1) USB Adapter | Eaton
Mini USB Bluetooth Adapter - Hak5
StarTech.com Mini USB Bluetooth 4.0 Adapter 165 Range - Office Depot
Knox Gear USB Bluetooth 4.0 Dongle Adapter - Walmart.com
Bluetooth 4.0 USB Module (v2.1 Back-Compatible) : ID 1327 : $11.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Amazon.com: Panda Bluetooth 4.0 USB Nano Adapter - Windows XP/Vista/7/8/8.1/10/11, Mint, Ubuntu, Fedora, openSUSE, Lubuntu, Zorin, BackTrack5 R3, Kali Linux, Raspbrian Wheezy and OpenELEC : Electronics
Tripp Lite Mini Bluetooth USB Adapter 4.0 Class 1 164ft Range 7 Devices - network adapter - USB - U261-001-BT4 - Wireless Adapters - CDW.com
Combination WiFi + Bluetooth 4.0 USB Adapter - PiShop.us
IOGEAR - GBU521W6 - Micro USB Bluetooth 4.0 Transmitter Multi-Language version
Amazon.com: USB Bluetooth Dongle, QGOO Bluetooth 4.0 Adapter Bluetooth Receiver for PC Laptop Desktop Keyboard Mouse Headset Speaker Smartphone Tablet Compatible with Windows 11/10/8.1/8/7/XP/Vista/XP : Electronics
Targus Bluetooth 4.0 Dual-Mode micro-USB Adapter - Walmart.com