Mini USB Bluetooth 4.0 Dongle - 50m - Bluetooth & Telecom Adapters, Networking IO Products

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

StarTech.com Bluetooth Adapter - Mini Bluetooth 4.0 USB Adapter - 50m/165ft Wireless Bluetooth Dongle - Smart Ready LE+EDR (USBBT1EDR4),Black : Everything Else

Esp01 Programmer Adapter Gpio0 Esp-01 CH340g USB to Esp8266 Serial Wireless WiFi Development Board Board Module - China Esp01, Esp01 Relay

This Class 2 USB Bluetooth Adapter with EDR/BLE is a compact-sized device that adds Bluetooth capabilities to a laptop or desktop computer. This

USB Bluetooth 5.0 Adapter, USB Bluetooth Dongle for PC/Computer/Laptop/Keyboard/Mouse, BT 5.0 Adapter for Headsets, Mini USB Bluetooth Receiver

Bluetooth Adapter for PC,Techkey USB Mini Bluetooth 5.0 EDR Dongle for Computer Desktop Wireless Transfer for Laptop Bluetooth Headphones Headset

StarTech.com Bluetooth Adapter - Mini Bluetooth 4.0 USB Adapter - 50m/165ft Wireless Bluetooth Dongle - Smart Ready LE+EDR (USBBT1EDR4),Black : Everything Else

Bluetooth & Telecom Adapters, Networking IO Products

USB 2.0 Extender over Cat5e/Cat6 - 50m - USB Extenders, Add-on Cards & Peripherals

Mini USB Bluetooth 4.0 Dongle - 50m - Bluetooth & Telecom Adapters, Networking IO Products

2 Pack High Performance Bluetooth 4.0 Adapter, 4.0 Bluetooth Dongle Receiver Support Windows 10/8.1/8/7/XP for Desktop, Laptop, Mouse, Keyboard, Printers, Headsets, Speakers - 2 PCS

SABRENT USB Bluetooth 4.0 Micro Adapter for PC [v4.0 Class 2 with Low Energy Technology] (BT UB40) : Electronics

Bluetooth 5.0 vs 4.0 - Comparative Analysis Guide

GMYLE Bluetooth 4.0 Broadcom Chip Dongle Adapter, Ultra-Mini USB Transmitter Receiver with LED, Support Windows 10, 8, 7, Plug and Play : Electronics

USB 2.0 Extender over Cat5e/Cat6 - 50m - USB Extenders, Add-on Cards & Peripherals