How to Connect a PS3 controller to an Arduino with a USB host shield and Bluetooth dongle (Part 2) - YouTube
Kickstarter Video for my Mini USB Host Board (Arduino Compatible) - YouTube
Amazon.com: Bluetooth Dongle for Ps4, Wireless Controller Adapter Plug and Play Stable USB Bluetooth Adapter, Controller Converter for Ps4 Pc Host : Video Games
Verda Box 4in1 Dual Micro USB 2.0 OTG Hub Adapter Cable (Laptop, Sync and Charge Cable) with Bluetooth Receiver,Aux Wireless Bluetooth 5.0 for Wired Speakers/Headphones/Music Streaming Stereo System : Amazon.in: Electronics
usb - How can I pair two bluetooth dongles together? - Super User
Amazon.com: Yamaha UD-BT01 | Wireless Bluetooth USB to Host MIDI Adapter : Musical Instruments