Tripp Lite Mini Bluetooth USB Adapter 4.0 Class 1 164ft Range 7 Devices - network adapter - USB - U261-001-BT4 - Wireless Adapters - CDW.com
4827 Adafruit Industries LLC | RF and Wireless | DigiKey
UGREEN USB Wireless Bluetooth 4.0 Adapter
EDIMAX Technology N150 Wi-Fi & Bluetooth 4.0 USB EW-7611ULB B&H
Mini USB Bluetooth 4.0 Dongle - 50m - Bluetooth & Telecom Adapters | StarTech.com
Amazon.com: Deal4GO CSR 4.0 USB Bluetooth Adapter CSR8510 Mini Bluetooth 4.0 Dongle Wireless Receiver for Windows 10/8/7/Vista/XP Supports Mouse Keyboard Headphone : Electronics
USB Mini Bluetooth 4.0 CSR4.0 Adapter Dongle Bluetooth Receiver Wireless Transfer Adapter For PC Laptop Bluetooth Headphones Headset Speakers Keyboard Mouse Printer Windows 10/8.1/8/7 - Walmart.com
Combination WiFi + Bluetooth 4.0 USB Adapter : ID 4827 : $14.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Wireless WiFi Bluetooth Adapter 150Mbps USB 2.4G Bluetooth V4.0 Dongle w-ml | eBay
Wireless CarPlay: Carlinkit 4.0 converts wired to wireless with ease
Vello Wireless ShutterBoss 4.0 Remote Timer and Trigger RCW-4-C
Iogear Bluetooth 4.0 USB Micro Adapter - GBU521 - Wireless Adapters - CDW.com
APPS2Car 4.0 Upgraded Wireless Adapter USB Dongle For Factory CarPlay – APPS2Car Mount
USB Bluetooth 4.0 Micro Adapter for PC [v4.0 Class 2 with Low Energy T - Sabrent
USB Bluetooth 4.0 Micro Adapter for PC [v4.0 Class 2 with Low Energy T - Sabrent
High Performance Bluetooth 4.0 Adapter, Wireless Bluetooth CSR 4.0 Dongle Adapter Compatible with Windows 10, 8.1 / 8, 7, Vista, XP, 32/64 Bit and Classic Bluetooth, Stereo Headset Compatible Bluetooth Adapters - Newegg.com
USB Bluetooth 4.0 Micro Adapter for PC [v4.0 Class 2 with Low Energy T - Sabrent