Bluetooth 4.0 USB Module (v2.1 Back-Compatible) : ID 1327 : $11.95

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

Buy 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

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

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

ADD BLUETOOTH CAPABILITIES: This BT4 adapters lets you add Bluetooth 4.0 capabilities to your computer or laptop through the USB port of your device.

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

Add both WiFi and Bluetooth capability to your computer super fast with this USB Bluetooth / WiFi Dongle!

Combination WiFi + Bluetooth 4.0 USB Adapter

Bluetooth 4.0 USB Module (v2.1 Back-Compatible) : ID 1327 : $11.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Adafruit Bluetooth 4.0 USB Module (v2.1 Back-Compatible) [ADA1327] : Electronics

Catalog Adafruit Electronica

Buy USB BLE-Link - Bluetooth 4.0 Low Energy module Botland - Robotic Shop

Bluetooth 4.0 USB Module (v2.1 Back-Compatible) : ID 1327 : $11.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Bluetooth 4.0 USB Module (v2.1 Back-Compatible) : ID 1327 : $11.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Bluetooth 4.0 USB Module (v2.1 Back-Compatible) : ID 1327 : $11.95 : Adafruit Industries, Unique & fun DIY electronics and kits

Bluetooth Compatible 4.0 USB 2.0 CSR 4.0 Dongle Adapter for PC LAPTOP Black US W5E3

Wireless Products Category on Adafruit Industries