A:AnswerAccording to the packaging, the adapter will work with anything Bluetooth version 1.0 to 5.0, so you should be good to go. I'm using it on a PC to connect wirelessly to a bike trainer and it has great connectivity with 4.0 Bluetooth.
A:AnswerThis device is intended for use with a PC, not directly plugged into a printer. Please contact Epson directly for assistance with pairing your printer to your phone.
A:AnswerThis will enable a Windows 8.1, Windows 10 or Linux based PC to have a Bluetooth 5.0 connection. For your speaker system's connection requirements, please contact Logitech support.
A:AnswerThis device will allow a Windows 8.1, Windows 10, or Linux PC connect to Bluetooth 5.0 devices. Regarding your question, I recommend contacting the diagnostic tool manufacturer on their compatibility specifications.
A:AnswerThis unit does not support Windows Vista. Linux, Windows 8.1 and Windows 10 are currently supported. https://www.asus.com/us/Networking-IoT-Servers/Adapters/All-series/USB-BT500/HelpDesk_Download/