Amazon.com: ASUS USB-BT400 USB Adapter w/ Bluetooth Dongle Receiver, Laptop & PC Support, Windows 10 Plug and Play /8/7/XP, Printers, Phones, Headsets, Speakers, Keyboards, Controllers,Black : Electronics
File:2008Computex ASUS USB-BT21.jpg - Wikimedia Commons
Amazon.com: ASUS USB-BT21 - USB Bluetooth 2.0 Adapter - EDR (3Mbps) : Electronics
ASUS USB-BT211 Wireless Adapter NEW - PLEASE READ | eBay
ASUS USB-BT21 USB 2.0 Mini Bluetooth Dongle - Tech Source Scarborough
NEW ASUS usb-bt21 Mini Bluetooth Dongle Bluetooth 2.0 Adapter-EDR (3 Mbps) | eBay