Amazon.com: Kinivo USB Bluetooth Adapter for PC BTD400 (Bluetooth 4.0 Dongle Receiver, Low Energy) - Compatible with Windows 11/10/8.1/8, Raspberry Pi, Linux, MacOS, Laptop & Headphones : Electronics
Amazon.com: StarTech.com Mini USB Bluetooth 4.0 Adapter - 10m (33ft) Class 2 EDR Wireless Dongle - USB Bluetooth Dongle - Bluetooth Smart Ready LE+EDR (USBBT2EDR4) : Everything Else
Mini Bluetooth 4.0 (Class 1) USB Adapter | Eaton
IOGEAR - GBU522 - Mini USB Dual-Mode Bluetooth 4.0 Transmitter
US Bluetooth 4.0 Headset Dongle USB Adapter Receiver Black for Playstation 4 PS4 | eBay
Amazon.com: Bluetooth CSR 4.0 USB Dongle Adapter, EKSEN Bluetooth Transmitter of Electronic Signals for Windows 10/8/7/Vista - Plug and Play on Win 8 and Above - White : Electronics
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
IOGEAR GBU521 Bluetooth 4.0 Bluetooth Adapter for Desktop Computer - GBU521 - Wireless Adapters - CDW.com
UB400 TP-Link Bluetooth 4.0 Nano USB Adapter 845973099664 – AMT | Computers & Electronics
Orico USB Bluetooth 4.0 Adapter - Black - Orico
BLE to USB Dongle – MBIENTLAB
Kinivo BTD-400 Bluetooth 4.0 Low Energy USB Adapter - Works With Windo
USB Bluetooth 4.0 Micro Adapter for PC [v4.0 Class 2 with Low Energy T - Sabrent
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
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
USB Bluetooth 4.0 BLE Low Energy Dongle
Amazon.com: SABRENT USB Bluetooth 4.0 Micro Adapter for PC [v4.0 Class 2 with Low Energy Technology] (BT UB40) : Electronics
Targus Bluetooth 4.0 Dual-Mode micro-USB Adapter - Walmart.com